What is the empirical formula of a compound that contains 78.11% B and 21.89% H?

Name: What is the empirical formula of a compound that contains 78.11% B and 21.89% H?
Brand: Quizplus
Rating: 4.8 (52 reviews)

Question

Quizplus · Accepted Answer

The empirical formula is determined by converting the percentage of each element to moles and finding the simplest whole number ratio. For B: 78.11 g / 10.81 g/mol = 7.23 mol; for H: 21.89 g / 1.01 g/mol = 21.67 mol. The ratio of B:H is approximately 1:3, so the empirical formula is BH₃.

What Is the Empirical Formula of a Compound That Contains