Asked by taja
A 71.1 g sample of an unknown compound contains 10.1 g of hydrogen. What is the percent by mass of hydrogen in the compound?
When mercury oxide is heated, it decomposes into mercury and oxygen. If 32.8 g of mercury oxide decomposes, producing 3.0 g oxygen, what is the percent by mass of mercury in mercury oxide?
can you explain how you got your answer please NEEDS HELP
When mercury oxide is heated, it decomposes into mercury and oxygen. If 32.8 g of mercury oxide decomposes, producing 3.0 g oxygen, what is the percent by mass of mercury in mercury oxide?
can you explain how you got your answer please NEEDS HELP
Answers
Answered by
DrBob222
% w/w (m/m) = (grams material/total grams)*100
% = (10.1/71.1)*100 = ?
I think there is a problem with the second part of the question. The numbers don't add up.
% = (10.1/71.1)*100 = ?
I think there is a problem with the second part of the question. The numbers don't add up.
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