Name: ___________________________ _____________________________________________________________________________________ (FOLD ALONG LINE) Grade 11 Chemistry ___/10 Unit: Stoichiometry Sub-topic: Empirical Formulas · This quiz is to be done in pencil or blue/black ink. No red, no freaky stuff!!! · Complete the questions to the best of your abilities. Remember each point is worth a mark, so you may use point form (it will be easier to mark). Questions: Complete them on this page Use the paper copy of the Periodic Table to answer question #1. 1. Suppose a compound is analyzed and reveals that is composed of 85.7% carbon and 14.3% hydrogen. Find the empirical formula for this compound. 2. Determine the empirical formula for a compound which is broken down into 6.16 g of sulphur and 8.84 g sodium.