Predict the element that will have the highest mass percent composition in each compound without doing any calculations. Identify the element that has the highest mass percent composition in C3H6O .

Carbon has the highest mass percent

Explanation:

Step 1: Data given

Predict the element that will have the highest mass percent composition in each compound without doing any calculations.

For C3H6O, carbon will have the highest mass percent. The molar mass of of Oxygen and carbon are more or less the same. But we have 3x more Carbon than oxygen.

Identify the element that has the highest mass percent composition in C3H6O .

atomic mass C = 12.01 g/mol

atomic mass O = 16.0 g/mol

atomic mass H = 1.01 g/mol

molar mass C3H6O = 58.08 g/mol

%C = (3*12.01 / 58.08) * 100 %

%C = 62.04%

%O = (15.99 /58.08) *100%

%O = 27.53 %

%H = (6*1.01 / 58.08) * 100%

%H = 10.43

Carbon has the highest mass percent

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the maximum mass of nh3 is nh3 in grams