Thursday

December 18, 2014

December 18, 2014

Posted by **James** on Sunday, December 5, 2010 at 10:05pm.

- Math -
**MathMate**, Sunday, December 5, 2010 at 10:52pmTheoretically they need 90ml & 3% = 2.7ml of 100% solution.

Let x=volume of 10% solution, then

90-x = volume of 1% solution.

x*10% + (90-x)*1% = 2.7

Multiply by 100:

10x + (90-x) = 270

Solve for x and check.

I get 20ml 10% and (90-20)ml 1%.

**Answer this Question**

**Related Questions**

BIO 100 - Assignment: The Scientific Method • Review Appendix D. • Open the ...

math - A lab needs a 20 liters of a 15% acid solution. The lab only has a 10% ...

Chemistry - A student did not fully mix the solution of Oxalic Acid in the ...

Chemistry - queston: the pH of a white vinegar solution is 2.45. this vinager is...

chemistry - I am in the process of calculating the hydrogen ion concentration in...

Math - A chemist needs to mix an 18% acid solution with a 45% acid solution to ...

Separation of Racemate - You have the racemate of a material. This material has ...

chemistry - What does the pH value for the tartaric acid solution suggest ...

Chemisty - In the titration of total acid with sodium hydroxide, NaOH, it was ...

English - Do you think this definition is better and can be apply to the ...