Posted by axl on Friday, October 1, 2010 at 11:37pm.
24.00% by mass means
24.00g NH3/100 g soln.
The soln has a density of 0.910; therefore, the volume of the 100 g xoln is 100/0.910 = 109.89 mL so the solution is 24.00g NH3 in 109.89 mL or 0.2184 g/1 mL.
Now 0.2184 g/mL x ??mL = 61.2 g.
Solve for ?? mL.
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