Asked by Mg Good
When mercury oxide is heated, it decomposes into mercury and oxygen. If 26.8 g of mercury oxide decomposes, producing 1.8 g oxygen, what is the percent by mass of mercury in mercury oxide?
Answers
Answered by
DrBob222
2HgO ==> 2Hg + O2
mols HgO = grams/molar mass = ?
Using the coefficients in the balanced equation, convert mols HgO to mols O2
Then convert mols O2 to g. grams = mols x molar mass. This is the theoretical yield (TY). The actual yield (AY) is 1.8g
%yield = (AY/TY)*100 = ?
mols HgO = grams/molar mass = ?
Using the coefficients in the balanced equation, convert mols HgO to mols O2
Then convert mols O2 to g. grams = mols x molar mass. This is the theoretical yield (TY). The actual yield (AY) is 1.8g
%yield = (AY/TY)*100 = ?
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