
Химия: задачи на моль
Quiz
•
Chemistry
•
11th Grade
•
Hard
Нагима Аманжоловна
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что такое моль как единица измерения в химии?
Единица измерения объема
Единица измерения количества вещества
Единица измерения температуры
Единица измерения давления
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая формула используется для расчета массы вещества в молях?
масса = количество молей * молярная масса
масса = количество молекул * молярная масса
масса = количество атомов * молярная масса
масса = количество грамм * молярная масса
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова молярная масса вещества, если известно, что в 1 моле содержится 6.022*10^23 молекул?
The molar mass is equal to the number of moles in the substance
The molar mass is equal to the number of atoms in the substance
The molar mass of the substance is equal to the mass of one mole of that substance, which is equal to the Avogadro's number (6.022*10^23) of molecules of that substance.
The molar mass is equal to the mass of one molecule of the substance
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова масса 2 молей воды (H2O)?
Примерно 18.01 грамма
Примерно 25.5 грамма
Примерно 50.02 грамма
Примерно 36.03 грамма
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чему равна масса 0.5 моля аммиака (NH3)?
12.345 g
8.515 g
0.5 g
3.678 g
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова масса 3 молей углекислого газа (CO2)?
50 грамм
75 грамм
132 грамма
200 грамм
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова масса 4 молей серной кислоты (H2SO4)?
600.75 g
250.50 g
392.32 g
100.25 g
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