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unicornjulia7
@unicornjulia7
July 2022
1
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2 задачу решите СРОЧНО СРОЧНО
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Виктория0503
Verified answer
W = m(в-ва)/m(р-ра)
m(в-ва)1 = w1*m(р-ра)1 = 500*0.1 = 50 г
m(в-ва)2 = w2*m(р-ра)2 = 250*0.2 = 50 г
w(общая) = (m(в-ва)1 + m(в-ва)2)/(m(р-ра)1 + m(р-ра)2) *100% = (50+50)/(500+250) *100% = 13.33%
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Answers & Comments
Verified answer
W = m(в-ва)/m(р-ра)m(в-ва)1 = w1*m(р-ра)1 = 500*0.1 = 50 г
m(в-ва)2 = w2*m(р-ра)2 = 250*0.2 = 50 г
w(общая) = (m(в-ва)1 + m(в-ва)2)/(m(р-ра)1 + m(р-ра)2) *100% = (50+50)/(500+250) *100% = 13.33%