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AmaliaDone
@AmaliaDone
August 2022
2
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Определите количество вещества сульфата калия массой 87 г..
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LechK
M(K₂SO₄)=174 г/моль
n=m/M=87г/174 г/моль=0,5 моль
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anvarovna
K2SO4 Mr(174) 87÷174=0.5
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n=m/M=87г/174 г/моль=0,5 моль