Предмет: Химия, автор: Sasattttt

Заповнити таблицю
m pечовини
10г
12г
m H20
135г
130г
m розчину
200г
140г
300г
900г
W речовини, %
15%
10%



Срочно

Приложения:

Ответы

Автор ответа: lifeshindo96
0

m речовини = m речовини + m H2O

Для першого прикладу:

m речовини = 10 г + 135 г = 145 г

W речовини = (10 г / 145 г) * 100% = 6.9%

Для другого прикладу:

m речовини = 12 г + 130 г = 142 г

W речовини = (12 г / 142 г) * 100% = 8.5%

Таблиця:

|   m речовини   |  m H2O  | m розчину |  W речовини, % |

|:--------------:|:------:|:---------:|:--------------:|

|      10 г      |  135 г |   200 г   |      6.9%      |

|      12 г      |  130 г |   140 г   |      8.5%      |

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