Question

The following table shows the chemical makeup of one mole (a unit of measure commonly used in chemistry) of acetone and the approximate mass of a mole of each compound element.

Oxygen makes up what percent of the mass of one mole of acetone? Round to the nearest whole percent.

Answer 1

55%

Explanation:

You add all the grams and divide 16

16/29=0.551

then the nearest whole percent would be

55%