
Кількість
Authored by Наталья Поцяпун
Chemistry
11th Grade
Used 5+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 моль містить
60,2 *10^23
6,02 *10^23
60,2 *10^-23
6,02 *10^-23
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Стала Авогадро дорівнює
6,02 *1023
60,2 *1023
60,2 *1023 моль-1
6,02 *1023 моль-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вкажіть фізичну величину в якій вимірюють кількість речовини
мухи
комарі
моль
грами
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
У кімнаті міститься 12,04*1023 молекул азоту. Обчисліть кількість речовини азоту
1 моль
0.5 моль
2 моль
2
0,5
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Якщо кількість Н2SiO3 становить 6 моль. Яка кількість атомів Оксигену
6 моль
2 моль
18 моль
3 моль
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Оберіть формулу за якою можна обчислити масу речовини
за періодичною системою
m=n/M
m=n*M
m=M/n
M=m/n
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Маса 1 моль речовини це
Відносна молекулярна маса
Молярна маса
M
Mr
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