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lenaanohina20
@lenaanohina20
July 2022
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В раствор пищевой соды массой 450г с концентрацией 8% добавили ещё 10г соды. Какова концетрация полученого раствора?
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MaksimN98
M(соды)= 450*0.08=36
m2(соды)=36+10=46
m2(раствора)=450+10=460
конц= 46/460*100%= 10%
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Answers & Comments
m2(соды)=36+10=46
m2(раствора)=450+10=460
конц= 46/460*100%= 10%