Предмет: Химия, автор: konoplevaolya

В одном из сортов творога массовая доля жира равна 10%. В твороге какой массы содержится жир массой 30г?

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Автор ответа: Печора

300г. (30*10%)=300. вроде так.. но могу ошибаться.

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CANADA

          Canada is the second largest country in the world. Only Russia has a greater land area. Canada is situated in North America. Canada is slightly larger than the United States, but has only about a tenth as many people. About 28 million people live in Canada. About 80% of the population live within 320 km of the southern border. Much of the rest of Canada is uninhabited or thinly populated because of severe natural conditions.

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