SOLUTION: How many grams of salt are needed to prepare 250g of a 10% (by mass) salt solution?

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Question 789343: How many grams of salt are needed to prepare 250g of a 10% (by mass) salt solution?
Answer by KMST(5328) About Me  (Show Source):
You can put this solution on YOUR website!
10% is the ratio 10%2F100
x%2F250=10%2F100
x=250%2A%2810%2F100%29
(That's 250%2A10%2F100 or 250%2A0.10).
The answer is highlight%28x=25%29
You need 25g of salt.