
Тест по теме "Количество вещества"

Quiz
•
Chemistry
•
8th Grade
•
Hard
Гаухар Гаухар
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что такое n?
Масса
Молярная масса
Количество вещества
Молярный объем
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как обозначается молярная масса?
m
N
M
n
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
По какой формуле вычислить число частиц?
N = n*Na
n = N/Na
n = m/M
M = Mr
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
По какой формуле вычислить количество вещества?
M = m/n
N = n*Na
n = m/M
m = n*M
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как вычислить молярную массу?
Молярная масса равна 0
Молярная масса вычисляется также, как и относительная молекулярная масса
M = n/m
M = n/Na
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чему равно число Авогадро?
6,02*1022(моль -1)
6,02*1023(моль -1)
60,02*1022(моль -1)
62,02*1023(моль -1)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Вычислите молярную массу О2
16
12
34
32
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