Question

In a compound, the ratio of carbon and oxygen is 1 : 4. Find the percentage of carbon in a compound?

• A. 20 %
• B. 16 %
• C. 10 %
• D. 5 %

Answer 1

Answer:

A. 20 %

Percentage of carbon = (Value of carbon/ sum of ratio) × 100 Sum of the terms of ratio = 1 + 4 = 5 Percentage of carbon = (1/5) × 100 ⇒ 20%