SOLUTION: How do I solve this word problem: A student needs 10% hydrochloric acid for a chemistry experiment. How much 3% acid should be mixed with 140ml of 20% acid to get a 10% solution?

Question 976463: How do I solve this word problem: A student needs 10% hydrochloric acid for a chemistry experiment. How much 3% acid should be mixed with 140ml of 20% acid to get a 10% solution?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
x mililiters needed

RELATED QUESTIONS
marin caswell needs 10% hydrochloric acid for a chemistry experiment. how much 5% acid... (answered by chessace)

Travis Hayes needs 10% hydrochloric acid for a chemistry experiment. How much 5% acid... (answered by mbarugel)

This is a percents system of equations word problem. Please help me solve it. A... (answered by ankor@dixie-net.com)

A chemistry experiment calls for a 40% hydrochloric acid solution. If the lab supply room (answered by Alan3354)

A chemistry student has a 15% hydrochloric acid solution and a 40% hydrochloric acid... (answered by Maths68)

I am having a lot of trouble with word problems....hopefully you could help me better... (answered by Earlsdon)

In your chemistry lab, you have a bottle of 2% hydrochloric acid solution and a bottle of (answered by stanbon)

Hi i had 2 questions. My first question is this. How many gallons of pure alcohol should (answered by ankor@dixie-net.com)

A chemistry student needs to make a solution that is 70% water and 30% hydrochloric... (answered by stanbon)