Posted by BEE on Sunday, July 31, 2011 at 11:24pm.
The equation is KHP + NaOH ==> H2O + KNaP
moles NaOH = M x L = ??
Convert moles NaOH to moles KHP. That is 1:1 ratio (from the coefficients in the balanced equation) so moles KHP = moles NaOH.
grams KHP = moles KHP x molar mass KHP
%KHP = (grams KHP/0.847)*100 = ??
Note: Your post has only three significant figures in the 0.847 g sample; therefore, you cannot give an answer to four s.f. (unless of course that was 0.8470). A second note, and more troubling, is that you provided no molarity for the NaOH. Without that you can't work the problem anyway.
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