What is the percent by mass of carbon in acetone, $C_3H_6O$ ?

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Answer 1 · 2016-06-11T06:25:40

$"Mass of carbon"/"Mass of acetone"xx100%$ $=$ $"Percentage by mass Carbon"$ .

We take the formula mass of acetone, $58.08*g*mol^-1$ , and perform the calculation,

$(3xx12.011*g*mol^-1)/(58.08*g*mol^-1)xx100%$ $~=$ $60%$

What is the percent by mass of carbon in acetone, C_3H_6OC_3H_6O?