Предмет: Химия, автор: Ertosik

Найти массу сахара и воды необходимые для получения 700г 12%ного сиропа

Ertosik: помогите

Ответы

Автор ответа: Platinum15

массовая доля = масса вещества / масса сиропа
масса сиропа = масса вещества + масса воды
0.12 = х/700
х = 84 г - масса сахара
масса вода = 700 - 84 = 616 г

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: QueenAlinacom

Fill in the gaps with articles or pronouns where
necessary Retell the text.
Jack London,.......great American novelist, was born in ......San Francisco and spent........ first years of....... life there.
John London,..... father of...... family, left....... farm and moved to.......
town. He tried a lot of trades, but couldn't make enough money to send......
children to...... school. Jack London had to begin learning....... living at......
early age. He sold......... morning and evening papers in........streets At.......
age of fourteen he began working in....... factory He worked eighteen to
twenty hours......... day Then he became........ sailor. Jack London traveled.......
lot. He had to do do....... very hard work, but he also read........ lot and tried
to get......education. He went to.......school and to...... University.
in addition he read......lot of books on........ History and Philosophy. Jack
London's ambition was to become.........wniter.
Later London went to......Far North of........ America He didn't bring
back any gold from there, but he brought something much better than........yellow metal. It was....... book of........ stories about........ life in....... North .He had realized....... ambition, he had become....... writer.

1 год назад

Предмет: Английский язык, автор: koliskynakate20

Помогите пожалуйста очень нужно

1 год назад

Предмет: Русский язык, автор: казашка4

здравствуйте!!помогите пожайлуста с тестом)