Chemistry Calculations and Concepts Quiz Unit 8

Calculate the number of moles in 35 g NaCl.

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Calculate the number of grams in 0.506 mol NaCl.

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Calculate the molar mass of oxygen gas (O₂).

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How many liters are in 0.500 mol oxygen at STP?

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

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How many molecules of H₂O are in 5 moles?

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Find the % of Hydrogen in H₂O₂.

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

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Empirical formula for C₅H₁₀O₅.

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Molar mass of Ca₃(PO₄)₂.

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