SOLUTION: You have 5M sodium acetate (MW=82.03) solution and need 25mls of a 1.5M solution. How much of the original solution should you use? I said (x)(5M)=(25mls)(1.5M) which is 37.5 mls..
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Question 579166: You have 5M sodium acetate (MW=82.03) solution and need 25mls of a 1.5M solution. How much of the original solution should you use? I said (x)(5M)=(25mls)(1.5M) which is 37.5 mls..is this correct? Found 2 solutions by edjones, KMST:Answer by edjones(8007) (Show Source):
You can put this solution on YOUR website! Your equation is , as you wrote.
I am leaving the units out because we know x will be in mL, like 25 mL is in mL, and the concentration units match.
Dividing both sides of the equation by 5 we find the answer --> -->
You need 7.5 mL of the 5M solution.
Then you would add enough water to make the final volume 25.0 mL, and mix well.
KMST
(an analytical chemist)
