количество вещества
Authored by Jelena Rodionova
Biology
5th Grade
Used 2+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Моль - единица измерения молярной массы
верно
неверно
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Значение молярного объема всегда одно и то же при любых условиях
верно
неверно
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Молярная масса водорода - 2г/моль
верно
неверно
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Молярная масса воды в 8 раз больше молярной массы водорода
верно
неверно
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Число молей показывает индекс
верно
неверно
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Количество молей исходных веществ в реакции
Са +2 HCl = CaCl2 + H2
равняется 2 молям
верно
неверно
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Отношение молей исходных веществ к продуктам реакции равно:
3NaOH + H3PO4 = Na3PO4 +2H2O
3:1:1:2
верно
неверно
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