Homework Help: Chemistry

Posted by Kellie on Monday, February 26, 2007 at 12:21am.

How much water needs to be added to 150mL of an 0.75 molar solution of lithium phosphate to make the solution 0.625 molar?

I came up with 70.31mL
Can you someone just check this for me please?

you want to dilute it 75/62.5, so you are diluting it a factor of 1.2, so add .2 parts water.

150*.2 = ???? ml

So my answer should be 30 not 70

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