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Molar mass, percent composition, and empirical formulas — Homework
Show molar mass calculations and all conversion steps.
- 1.Find the molar mass of NH3.
- 2.How many grams are in 2.00 mol of CO2 (molar mass 44.01 g/mol)?
- 3.How many moles are in 22.0 g of NaCl (molar mass 58.44 g/mol)?
- 4.Find the percent composition of hydrogen in NH3 (molar mass 17.04 g/mol).
- 5.A compound is 52.14% C, 13.13% H, 34.73% O by mass. Confirm this adds to 100%, then find the empirical formula (this is ethanol's composition).
🌲 Homeschool of the FutureTenth Grade · Science · week 20 homework