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Solution: The ratio of oxygen to carbon by mass in carbon monoxide is 1.33:1.00. Find the formula of an oxide of carbon in which the ratio by mass of oxygen to carbon is 2.00:1.00.

Problem

The ratio of oxygen to carbon by mass in carbon monoxide is 1.33:1.00. Find the formula of an oxide of carbon in which the ratio by mass of oxygen to carbon is 2.00:1.00.

Solution

We’re being asked to find the formula of an oxide of carbon in which the ratio by mass of oxygen to carbon is 2.00:1.00.

We’re given the ratio of oxygen (O) to carbon (C) by mass in carbon monoxide is 1.33:1.00.


According to the Law of Multiple Proportions, when two elements (A & B) form different compounds, the masses of element B that combine with 1 g of A are a ratio of whole numbers.


Given:

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