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Evelinuushka
@Evelinuushka
August 2022
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До 240 г розчину цукру з масовою часткою розчиненої речовини 10 % добавили 10 г цукру. Обчисліть масову частку цукру в одержаному розчині.
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0981131475g
Дано:
m(р-ну) = 240г
W(цукру) = 10%
m2(рр) = 10 г
Знайти:
W2(цукру)-?
m1(pp) = m(розч)*W/100% = 240*10/100= 24 г
m3(pp) = 24 + 10 = 34 г
m3(розч) = 240 + 10 = 250 г
W2(цукру) = m(pp)*100%\m(розч) = 34*100%\250 = 13,6%
10 votes
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Answers & Comments
m(р-ну) = 240г
W(цукру) = 10%
m2(рр) = 10 г
Знайти:
W2(цукру)-?
m1(pp) = m(розч)*W/100% = 240*10/100= 24 г
m3(pp) = 24 + 10 = 34 г
m3(розч) = 240 + 10 = 250 г
W2(цукру) = m(pp)*100%\m(розч) = 34*100%\250 = 13,6%