Skip to main content

Back to the full dot-point answer

VirginiaChemistryQuick questions

Molar Relationships and Chemical Reactions

Quick questions on Percent composition and empirical formulas - Virginia SOL Chemistry

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
Show answer
Calculate the percent by mass of nitrogen in ammonia, NH3\text{NH}_3 (molar mass 17.017.0). [2 points]
What is q2?
Show answer
A compound has the empirical formula CH2\text{CH}_2 and a molar mass of 4242 g/mol. State its molecular formula. [1 point]

Have a question we have not covered?

This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.

All ChemistryQ&A pages