Posted by **Julie** on Thursday, May 19, 2011 at 1:05pm.

Can anyone tell me if I am right on these?

Calculate the amount of solute needed to make each of the solutions

225g of 10% (m/m) K2CO3 solution

Answer: 22.5g K2CO3

0.50kg of 18% (m/m) KOH solution

Answer: 90g KOH

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