A mixture of KCr(SO4)2 and its hydrate KCr(SO4)2•12H2O has a mass of 1.6336 g. After heating to drive

Question

off all the water, the mass is only 1.4659 g. What is the weight percentage of KCr(SO4)2•12H2O in the original
mixture? Report your answer to 4 significant figures.
I got an answer of 12.51 percent (or 23.71 which I think is correct)

Answer 1

Of your two answers which is correct in your opinion?
If you will post your work I will check it. My first run through I didn't get either answer. Remember Ms. Sue. Please use the same screen name. It helps us help you easier (and faster).