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VladlenaTkachenko
@VladlenaTkachenko
September 2021
2
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Масса (в граммах)
1. 1 моль Н2 равна:______
2. 2 моль Н2 равна:______
3. 0.5 моль Н2 равна:____
4. 1.5 моль Н2 равна:____
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Answers & Comments
svetka1574
1. 2г
2, 4г
3. 1г
4. 3г
2 votes
Thanks 1
nikolaygr
Verified answer
1) m(H2)=n(H2)*M(H2)=1моль*2г/моль=2г
2) m(H2)=2моль*2г/моль=4г
3) m(H2)=0,5 моль*2г/моль=1г
4) m(H2)=1,5 моль*2г/моль=3 г
1 votes
Thanks 0
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Answers & Comments
1. 2г
2, 4г
3. 1г
4. 3г
Verified answer
1) m(H2)=n(H2)*M(H2)=1моль*2г/моль=2г2) m(H2)=2моль*2г/моль=4г
3) m(H2)=0,5 моль*2г/моль=1г
4) m(H2)=1,5 моль*2г/моль=3 г