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linasaleeva
@linasaleeva
July 2022
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Помогите решить задачу
Дано:
m(H2O)=150 г.
m(соли)=15 г
Найти:
w(соли)
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Удачник66
Verified answer
W - это концентрация соли в воде?
w = 15/(15 + 150) = 15/165 = 1/11 = 0,0909... = 9,09%
4 votes
Thanks 4
linasaleeva
а формула такая? w(в-ва)=m в-ва деленое на m р-ра и умножить на 100%
Удачник66
да, w = m(соли) / (m(воды) + m(соли)) * 100%
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Answers & Comments
Verified answer
W - это концентрация соли в воде?w = 15/(15 + 150) = 15/165 = 1/11 = 0,0909... = 9,09%