
АНЕЛЯ ЛЕТНИК ЧАСТЬ 2
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Chemistry
University
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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Титр раствора хлорида кальция, содержащего 5000 мг СаCl2 в 5 л раствора
0,001
1,0
0,1
0,01
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Масса (г) соляной кислоты, в 0,5 л раствора, если титр раствора равен 0,00365 г/мл:
1,825
0,003656
0,01825
0,001825
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В 1000 мл раствора содержится 5,6г гидроксида калия. Молярная концентрация раствора равна (моль/л):
0,1
1
0,025
0,15
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько г соляной кислоты необходимо для приготовления 1 л раствора с молярной концентрацией 0,1 М
3,65
0,365
36,5
1,825
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько граммов серной кислоты нужно взять для приготовления 500 мл 1н раствора?
24,5
10
5
49
98
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Объем раствора HCl с молярной концентрацией 0,1 моль/л требуется для нейтрализации 5,3 г химически чистой соды (M(Na2CO3) = 106 г/моль)
0,5л
0,1л
1л
1,5л
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
«Относительное падение давления насыщенного пара в растворе прямо пропорционально мольной доле растворенного вещества» - это …
Закон Рауля
Закон Генри
Вант – Гоффа
Закон Гесса
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