ПРОСТЕЙШИЕ РАСЧЕТЫ
Authored by Людмила Ряснова
Chemistry
9th Grade
Used 11+ times
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10 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Если молярная масса воды - 18г/моль, то какова масса 3 моль воды?
2.
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1 min • 1 pt
Постоянное число Авогадро = а*1023/моль, где а=
3.
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1 min • 1 pt
Рассчитайте молярную массу СО2 в г/моль
(Она численно = относ.молекулярной)
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Рассчитайте молярную массу СО в г/моль
(Она численно = относ.молекулярной)
5.
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1 min • 1 pt
Напишите единицу измерения количества вещества (в ед.ч., И.П.)
6.
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1 min • 1 pt
Если молярная масса вещества А=56г/моль, то какова масса 0,5 моль этого вещества?
7.
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1 min • 1 pt
Если молярная масса вещества А=56г/моль, то сколько моль содержится в 112г этого вещества?
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