how many grams of snf2 can be produced from 6.55 moles of hf?

2016-05-06 5:22 am

回答 (1)

2016-05-06 7:32 am
Sn²⁺ + 2HF → SnF₂ + 2H⁺

According to the equation, The consumption of 2 moles of HF produces 1 mole of SnF₂.
Number of moles of HF used = 6.55 mol
Number of moles of SnF₂ produced = 6.55 × (1/2) = 3.275 mol

Molar mass of SnF₂ = 118.7 + 19.0×2 = 156.7 g/mol
Mass of SnF₂ = 156.7 × 3.275 = 513 g


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