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Question 953398: for preparation of 4% sucrose solution how much amount of sugar is added to 2 litres of water
Click here to see answer by JoelSchwartz(130)

Question 953330: 2. 15 gallons of a 20% acid solution is to be mixed with a 12% acid solution to yield an 18% acid solution. How many gallons of the 12% acid solution will be needed?

Click here to see answer by ankor@dixie-net.com(22740)

Question 953405: If I need 24 ounces of dry chemical for 10,000 gallons of water, how many ounces of dry chemical would I need for 165 gallons of water?
Click here to see answer by Alan3354(69443)

Question 953590: To produce 100 liters that is 17% acid, Jennifer took some amount from a 40% acid solution and a
60% acid solution then added 70 liters of pure water to the resulting mixture. How much of the 40% acid
solution was used? Thank you so much :)
Click here to see answer by josgarithmetic(39617)

Question 953593: How many liters of water should be added to 20 liters of a 30% sulfuric acid solution to reduce it to a 15% solution?
Click here to see answer by Alan3354(69443)

Question 953593: How many liters of water should be added to 20 liters of a 30% sulfuric acid solution to reduce it to a 15% solution?
Click here to see answer by stanbon(75887)

Question 953591: 33. A chemist has two acid solutions. Solution X contains 14% acid and the other solution Y contains 6% acid. How many milliliters of each solution should he mix to obtain 400 milliliters of a solution that is 9% acid?
Click here to see answer by Alan3354(69443)

Question 953698: Nail polish remover is essentially a mixture of water and a chemical called acetone. How much pure acetone must be combined with a solution that is 19% acetone to make 27 oz of a 37% solution
please show me how to do this
Click here to see answer by Alan3354(69443)

Question 953743: ERNEST INVESTED A PART OF HIS MONEY AT 16% ANNUAL INTEREST. ANOTHER PART WHICH IS P50,000 MORE WAS INVESTED AT 18% ANNUAL INTEREST. IF THE TOTAL AMOUNT INCOME FROM THE TWO INVESTMENTS WAS P94,000, HOW MUCH WAS INVESTED AT EACH RATE?

Click here to see answer by macston(5194)

Question 953786: What is the alcohol percentage of this mix:
.75 liter of 30%
.5 liter of 40%
.25 liter of 90%
There are times when I need to mix 2 or 3 different % alcohols, and need an equation to figure out the alcohol % of the mix.
Click here to see answer by josmiceli(19441)

Question 953863: Suppose a chemist is mixing two acid solutions, one of 50% concentration and the other of 60% concentration. Which of the following could not be obtained?
52%, 55%, 58%, 64%
Click here to see answer by josgarithmetic(39617)

Question 953822: You need a 10% alcohol solution. On hand, you have a 130 mL of a 60% alcohol mixture. How much pure water will you need to add to obtain the desired solution
Click here to see answer by josgarithmetic(39617)

Question 953949: at the food store peanuts cost two dollars per pound and raisins cost four dollars per pound. Jillian bought a 7 pound mixture of peanuts and raisins for $20. how many pounds each of peanuts and raisins were in the mixture
Click here to see answer by josgarithmetic(39617)

Question 954022: if a number is doubled and the result is decreased by 9,we get 67.find the number
Click here to see answer by macston(5194)

Question 953939: how many gallons of an 18% pesticide solution must be added to 92 gallons of a 51% pesticide solution to obtain 41% pesticide solution?
Click here to see answer by josgarithmetic(39617)

Question 954059: A chemist mixes 200 milliliters of a solution that is 55% acid with 425 milliliters of pure acid.
Answer the questions below. Do not do any rounding.
(a) How many milliliters of acid are in the resulting mixture?
Milliliters _____________

(b) What percentage of the resulting mixture is acid?
_____________%

Click here to see answer by hemu_da(13)

Question 954156: I need help solving solution and concentration problems, please help??
10 liters of a solution has a concentration of 5% sodium hydroxide. It is mixed with 5 liters of a different solution, which has a concentration of 8% sodium hydroxide. What is the new concentration of sodium hydroxide in the solution?
Click here to see answer by macston(5194)

Question 954179: How many liters of pure water must be mixed with 1 liter of a 5% vinegar solution to give a 2% solution?
Click here to see answer by macston(5194)

Question 954179: How many liters of pure water must be mixed with 1 liter of a 5% vinegar solution to give a 2% solution?
Click here to see answer by Alan3354(69443)

Question 954299: how many pounds of nuts selling for 6 dollars per lb and raisins selling for 3 dollars per lb should a person combined to obtain 180 lb of a trail mix selling for 4 dollars per lb
Click here to see answer by stanbon(75887)

Question 954204: A vat contains 4000L of wine with an alcohol content of 10% . How much of this wine must be removed so that, when it is replaced with wine with a 17% alcohol content, the alcohol content in the final mixture will be 12% ?
Click here to see answer by josgarithmetic(39617)

Question 954102: A given alloy contains 20% copper and 5% tin. How mmany pounds of copper and of tin must be melted with 100lb. of the given alloy to produce another alloy analyzing 30% copper and 10% tin?
Click here to see answer by ankor@dixie-net.com(22740)

Question 954350: Hello guys, I need help here :(
I'm confused by the wording used for this problem: "A pharmacist has 100 ounces of a solution that is 3.5% iodine and 96.5% alcohol. How much alcohol should the pharmacist add to get a 1.5% iodine solution?"
Could you please explain it to me step by step?
Thank you in advance.
Click here to see answer by macston(5194)

Question 954365: how many points of a 10% lemon juice marinade must be mixed with 20 points of a 60% lemon juice marinade to get a 40% lemon juice marinade?
Click here to see answer by josmiceli(19441)

Question 954362: how many cubic inches of a candy barthat is 45% dark chocolate must be melted and mixed with 18 cubic inches of a candy bar that is 20% dark chocolate to obtain a candy bar that is 30% dark chocolate?
Click here to see answer by josmiceli(19441)

Question 954363: a lab technician needs to mix a 45% phosphorus solution with an 18% phosphorus solution to obtain 12 milliliters of a 36% phosphorus solution. how many milliliters of the 18% phosphorus solution will the lab technician need?
Click here to see answer by josmiceli(19441)

Question 954485: How many ounces of pure salt must be added to 9oz of 5% salt solution to produce a 15% solution? (Pure salt is 100%.) Round your answer to the nearest hundredth of an oz}.
Click here to see answer by stanbon(75887)

Question 954374: how many liters of pure sale must be added to 15 liters of a 40% salt solution to obtain a 60% salt solution?
Click here to see answer by ankor@dixie-net.com(22740)

Question 954590: 90 lbs is 40% of a mix. How many lbs make up the other 60%? A 60/40 mix.
Click here to see answer by rfer(16322)

Question 954590: 90 lbs is 40% of a mix. How many lbs make up the other 60%? A 60/40 mix.
Click here to see answer by stanbon(75887)

Question 954378: 100 L of water contains 40% salt. How much water should be added to make it a 30% solution of salt?
Click here to see answer by ankor@dixie-net.com(22740)

Question 954511: I have 15 kilograms of raw material (concrete) and need to add 7.5% water to it, how much is 7.5% of water in liters for 15 kilograms of material?
Click here to see answer by macston(5194)

Question 954731: A GAS STATION OWNER HAS 30 GALLONS OF GASOLINE WORTH P51.50 PER GALLON AND SOME WORTH P53.75 PER GALLON. HOW MANY GALLONS OF THE P53.75 BRAND MUST THE OWNER MIX IN ORDER TO PRODUCE A GASOLINE THAT COSTS P52 PER GALLON?
Click here to see answer by stanbon(75887)

Question 954734: ONE PIPE CAN FILL A POOL 1.25 TIMES FASTER THAN ANOTHER PIPE. WHEN BOTH PIPES ARE OPENED, THEY FILL THE POOL IN FIVE HOURS. HOW LONG WILL IT TAKE TO FILL THE POOL IF ONLY THE SLOWER PIPE IS USED?
Click here to see answer by Alan3354(69443)

Question 954708: Last year, Trey deposited $2000 into an account that paid 2% interest per year and $3000 into an account that paid 6% interest per year. No withdrawals were made from the accounts.
Answer the questions below. Do not do any rounding.

(a) What was the total interest earned at the end of 1 year?
$________________

(b) What was the percent interest for the total deposited?
__________%

Click here to see answer by macston(5194)

Question 954800: Maya's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Maya
$4.35 per pound, and type B coffee costs $5.70 per pound. This month, Maya made 167 pounds of the blend, for a total cost of $846.60. How many pounds of type B coffee did she use?
Click here to see answer by macston(5194)

Question 955084: College had a faculty reduction and lost 1/5 of its faculty. if 320 faculty members were left after the reduction , how many members were there originally?
Click here to see answer by macston(5194)

Question 955061: A solution of 53% alcohol is to be mixed with a solution of 22% alcohol to yield 341 Liters of a 41% solution. How many Liters of 53% solution must be used?
Click here to see answer by josmiceli(19441)

Question 955166: How many quarts of antifreeze should be mixed with 8 quarts of water to make a 75% solution of antifreeze?
Click here to see answer by macston(5194)

Question 955303: if we combine 50% alcohol with pure alcohol the resulting mixture will be less than 50%?
Click here to see answer by josmiceli(19441)

Question 955316: How many gallons of a 2% acid solution must be mixed with 7 gallons of a 20% solution to obtain a 17% solution?
Click here to see answer by ptaylor(2198)

Question 955337: Please Help me work this out step by step... I Haven't done a mixture problem with so many variables before. I appreciate all the help I can get
Ethonal and Toluene are two examples of additives within your gasoline.
Type A gasoline is 5% Ethanol and 10% Toluene
Type B gasoline is 15% Ethanol and 8% Toluene
Type C gasoline is 10% Ethanol and 4% Toluene
A special Type D gasoline is 8.05% Ethanol and 6.84% Toluene. Precisely blending the correct quantities of Type A, B, and C together can create type D.
How much of each type should be blended together to create 100 gallons of Type D gasoline.

Click here to see answer by Theo(13342)

Question 955364: A chemist has one solution of 20% acid and another of 50% acid. how many millimeters of each are needed to obtain 30 ml of 30% acid?
Click here to see answer by josgarithmetic(39617)

Question 955599: a 2% acid solution must be mixed witha 10% acid solution to get 6L of a 6% solution.
How many liters of a 2% solution are needed
Click here to see answer by lwsshak3(11628)

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