
Избыток - Недостаток
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Nodir Burhonov
Used 4+ times
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10 questions
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1.
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1 min • 1 pt
На 47 г оксида калия подействовали раствором, содержащим 40 г азотной кислоты.
Найдите массу образовавшегося нитрата калия.
2.
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1 min • 1 pt
На 24 г металлического магния подействовали 30 г соляной кислоты. Найдите массу образовавшегося хлорида
3.
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1 min • 1 pt
На 36 г алюминия подействовали 64 г серы. Найдите массу образовавшегося сульфида алюминия.
4.
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1 min • 1 pt
51 г аммиака прореагировали с 18,25 г соляной кислоты. Какое вещество и сколько граммов остаётся в избытке?
5.
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1 min • 1 pt
Какая масса оксида алюминия образуется при окислении 81 г
алюминия 96 г кислорода?
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Найти массу оксида натрия, образовавшегося при взаимодействии 12 г
натрия и 28 г кислорода.
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Вычислите массу образовавшейся соли, если для реакции нейтрализации было взято 7,4 г гидроксида кальция и 3,92 г ортофосфорной кислоты?
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