The mass of magnesium silicide formed as a result of heating 2.5 g of silicon and 4.5 g of magnesium, … g.

univerkov | November 28, 2020 | education

reaction:
2Mg + Si = Mg2Si
decision:
m (Si) = 60 * 0.95 = 57 g
n (Si) = 57 \ 28 = 2 mol (approximately) = n (Mg2Si)
m (Mg2Si) = 2 * 76 = 152 g
answer: 152g

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