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poty210Sanek
@poty210Sanek
June 2022
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имеется 125 г 1% раствора повариной соли.Какова будет концетрация раствора,если в него добавить 100г воды
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mrvladimir2
Verified answer
M(NaCl) = 125 r*0.01 = 1.25 r
m(p-pa)" = 125 r+100 r = 225 r
ω"(NaCl) = 1,25 г/225 г = 0,0056 или 0,56%
Ответ: 0,56%
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Answers & Comments
Verified answer
M(NaCl) = 125 r*0.01 = 1.25 rm(p-pa)" = 125 r+100 r = 225 r
ω"(NaCl) = 1,25 г/225 г = 0,0056 или 0,56%
Ответ: 0,56%