8 клас. Кількість речовини.Молярна маса.Стала Авогадро.
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Medium
Олена Мусієнко
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Якою буквою позначають молярну масу?
Ar
Mr
М
m
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Якою буквою позначають кількість молекул?
N
Na
Ʋ
M
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Якою буквою позначають кількість речовини?
M
Na
Ʋ
N
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Які одиниці вимірювання кількості речовини?
грам
літр
метр
моль
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чому дорівнює стала Авогадро?
6,02⋅ 1023 моль -1
6,02⋅ 1024 моль -1
60,2⋅ 1023 моль -1
6,02⋅ 1023
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
За якою формулою можна знайти кількість речовини, якщо відомо кількість молекул?
υ = N : Na
N = υ · Na
m = υ · M
υ = m : M
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
За якою формулою можна знайти кількість молекул?
υ = N : Na
N = υ · Na
m = υ · M
υ = m : M
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