Chemistry Calculations and Concepts Quiz Unit 8

Calculate the number of moles in 35 g NaCl.

Calculate the number of grams in 0.506 mol NaCl.

Calculate the molar mass of oxygen gas (O₂).

How many liters are in 0.500 mol oxygen at STP?

How many moles of zinc are in 2.59 × 10²⁴ atoms?

How many molecules of H₂O are in 5 moles?

Find the % of Hydrogen in H₂O₂.

Empirical formula of a compound that is 67.6% Hg, 10.8% S, and 21.6% O.

Empirical formula for C₅H₁₀O₅.

Molar mass of Ca₃(PO₄)₂.