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Question 884102: A chemist has a 35% and a 15% acid solution. How much of each solution should be used to form 50 mL of a 31% solution?
Click here to see answer by josgarithmetic(39617)

Question 884223: what is the minimum amount of pure alcohol that must be added to a 24 liters of a 20 percent alcohol solution to obtain a mixture that is at least of 30 percent alcohol.
Click here to see answer by vleith(2983)

Question 884322: a chemist mixes an 8 percent HCL acid solution with a 5 percent HCL acid solution how many ml of 5 percent solution needs to be added to produce 750 mls of 7 percent HCL ACID SOLUTION?
Click here to see answer by josgarithmetic(39617)

Question 884398: How much does a 2-litre of cooldrink weigh in pounds? (Assume that the pop has the density of water, namely 1kg/litre and that the weight of the bottle itself is negligible.)
IF you can please help me and show me step by step how to work it out. thank you
Click here to see answer by josgarithmetic(39617)

Question 884313: A solution is 20% bleach. What are all the possible combinations of the number of liters of bleach, contained in number of liters of solution?
Click here to see answer by Fombitz(32388)

Question 884450: A 100 liter barrel of vinegar is 8% acetic acid. Before it can be bottled and used in cooking, the acidity must be reduced to 5% by diluting it with pure water. In order to produce 64 liters of usable vinegar, how many liters of vinegar from the barrel and how many liters of pure water should be combined?
Click here to see answer by josmiceli(19441)

Question 884474: 200ml of solution to 960ml of water. How many oz for 2gallons.
Click here to see answer by josgarithmetic(39617)

Question 884538: How much water should be added to 77 gallons of a 37 percent salt solution to get a 30 percent salt solution?
Click here to see answer by josmiceli(19441)

Question 884538: How much water should be added to 77 gallons of a 37 percent salt solution to get a 30 percent salt solution?
Click here to see answer by geetha_rama(94)

Question 884601: I need a 9% solution of Sulfuric acid. The base acid is 37% by volume and I need 55 gallons.
Click here to see answer by Theo(13342)

Question 884760: Doreen needs to prepare 36 ounces of a 15% hydrochloric acid solution. Find the amount of 18% solution and the amount of 9% solution she should mix to get this solution
Click here to see answer by Alan3354(69443)

Question 884849: When using a 2% cream and a 5% cream to produce a 4% cream how many part of each initial ingredient are needed?
Click here to see answer by josgarithmetic(39617)

Question 884956: a. Cuenca Company
Click here to see answer by richwmiller(17219)

Question 885060: How many gallons of pure water should be added to 10 gallons of a solution containing 15% juice so that the remaining solution contains 5% juice?
fill in the table:
What is the amount of juice in the original solution?
What is the original amount of solution in gallons?
How much juice is added?
How much total solution is added?
Click here to see answer by josmiceli(19441)

Question 885059: How many gallons of pure water should be added to 10 gallons of a solution containing 15% juice so that the remaining solution contains 5% juice?
Fill in the table:
What is the amount of juice in the original solution? a =
What is the original amount of solution in gallons? b = How much juice is added? c =
How much total solution is added?
Click here to see answer by josgarithmetic(39617)

Question 885145: what is the 90% of 80% of 75% of 600?
Click here to see answer by john500(1)

Question 885282: A 30% dye solution is to be mixed with an 80% dye solution to make 60 liters of 50% solution. how many liters of each solution is needed?
Click here to see answer by harpazo(655)

Question 885329: How many ml of Isopropyl alcohol are present in a 60 ml bottle of rubbing alcohol?
Please give me the GIVEN numbers like
Given: 60 ml - bottle of rubbing alcohol
Click here to see answer by josgarithmetic(39617)

Question 885488: 4 gals of pure iodine are added to 46 gals of 2% iodine. How much of the final solution do you have? How much iodine is contained in the mixture? What is the strength (percentage) of iodine in the mixture
Click here to see answer by lwsshak3(11628)

Question 885554: How many pounds of coffee costing $7 per pound must be mixed with coffee costing $15 per pound to create 120 pounds of coffee costing $12 per pound?
Click here to see answer by josgarithmetic(39617)

Question 885584: How many gallons of 5% acid solution should be mixed with 20 gallons of a 10% acid solution to obtain an 8% acid solution?
Click here to see answer by lwsshak3(11628)

Question 885609: how many milliliters of pure acid must be added to 150 milliliters of a 60% solution of add to obtain a 70% solution?
Click here to see answer by lwsshak3(11628)

Question 885667: Madhurima mixed 40 ml of 40% sulphuric acid solution with 80 ml of 25% sulphuric acid solution.
In what ratio must the resulting solution be mixed with 50% sulphuric acid solution to give 40%
sulphuric acid solution again?
Click here to see answer by josgarithmetic(39617)

Question 885628: A lab technician has 40 gallons of a 15% iodine solution. How many gallons of the 40% iodine solution must be added to make a 20% iodine solution?

Click here to see answer by lwsshak3(11628)

Question 885723: in a 20 gallon mixture of milk and water there is 5% water . how much water must be added to make it 10% of the final mixture?
Click here to see answer by josgarithmetic(39617)

Question 885786: For an experiment, a student requires 150 ml of a solution that is 8% NaCl. The storeroom has only solutions that are 10% NaCl and 5% NaCl. How many milliliters of each available solution should be mixed to get 150 ml of 8% NaCl
Click here to see answer by Alan3354(69443)

Question 885788: a chemist has a 60% acid mix and a 75% acid mix. how much of each mix to get 30ml of 70% acid?

Click here to see answer by josgarithmetic(39617)

Question 885798: How do I set up problems like these? :
A 5L solution that was 12% vinegar was mixed with a 14L solution that was 69% vinegar. Find the new concentration of vinegar.
I'm pretty stuck on how to set these things up. I can usually figure it out after I set it up. Thanks in advance.
Click here to see answer by Alan3354(69443)

Question 885802: Okay, so what about this:
Nancy mixed 14mL of a salt solution with 13mL of a 38% salt solution, to make a 30% salt solution. Find the percent salt concentration of the first solution.
Is there a generic "set-up" of how to do these types of problems? I just can't figure out how to set them up.
Click here to see answer by lwsshak3(11628)

Question 885710: what is the ratio for 50% alcohol and 0.25% acid
Click here to see answer by josgarithmetic(39617)

Question 885821: A solution of 64% fertilizer is to be mixed with a solution of 22% fertilizer to form 84 L of a 57% solution. How many liters of the 64% solution must be used? I have a lot of questions like this on my homework and if i could just have the answer to this one and see it all worked out i could do the rest! thanks!!
Click here to see answer by josmiceli(19441)

Question 885851: two liquids of different densities (p1=1700kg/cubic meter,p2=800kg/cubic meter)were poured together into a 100-Liter container,filling it. If the resulting density of the mixture is 950 kg/ cubic meter.find the respective amounts of liquids used..also find the weight of the mixture; local g=9.675m/s^2

Click here to see answer by josgarithmetic(39617)

Question 885859: What is 40% of 2 Litres?
Click here to see answer by Alan3354(69443)

Question 885880: In an experiment involving mice, a zoologist needs a food mix that contains, among other things, 23 grams of protein, 6.2 grams of fat, and 16 grams of moisture. She has on hand mixes of the following compositions: Mix A contains 20% protein, 2% fat, and 15% moisture; Mix B Contains 10% protein, 6% fat, and 10% moisture; and Mix C Contains 15% protein, 5% fat, and 5% moisture. How many grams of each mix should be used to get the desired diet mix? Answer and Solution please.
Click here to see answer by josgarithmetic(39617)

Question 886126: If a recipe calls for a 4 oz liquid portion and we have a population of 1500, how many gallons of product will it take to feed our population
Click here to see answer by josgarithmetic(39617)

Question 886153: Mixture A is 7.5% acid. To raise the concentration of acid to 10%, some pure acid
will be added to the mixture. How many liters of mixture A and how many liters of
pure acid are needed to end up with 200 liters of 10% solution?
Click here to see answer by josgarithmetic(39617)

Question 886205: The problem is:
Let x and y represent two real numbers. Write an algebraic expression to denote the quotient obtained when the product of the two numbers is divided by their sum. Show your work for credit.
Click here to see answer by rothauserc(4718)

Question 886206: The problem is:
A man lives 12 miles from work and 7 miles from the grocery store. If he made x round trips to the store, write an expression to represent how many miles he drove? Show work for credit.
Click here to see answer by JulietG(1812)

Question 886275: If a boat is going 25 mph how long will it take to past exactly 1,395 miles?
Click here to see answer by jim_thompson5910(35256)

Question 886432: Trying to solve for X
3% is to 20% as X is to 17.5%
Click here to see answer by rfer(16322)

Question 886487: 2 yd � of soil containing 35% sand was mixed into 6yd � of soil containing 15% sand. What is the sand content of the mixture?
Click here to see answer by lwsshak3(11628)

Question 886501: How many liters of a 15% acid solution must be mixed with 5 liters of a 25% acid solution to give a 20% solution?
Click here to see answer by stanbon(75887)

Question 886472: A pharmacist mixes a cream that is 0.5% hydrocortisone with a second cream that 0.74% hydrocortisone to obtain 5 grams of a cream that is 0.68% hydrocortisone. How many grams of each cream must be used? Qive the equations you used to solve the equation.
Click here to see answer by josgarithmetic(39617)

Question 886559: Fifteen census takers walked our neighborhood on Friday. That number was 30% of all the census takers who collected data that day. How many collectors were out walking that day?

Click here to see answer by JulietG(1812)

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