What mass of calcium oxide must be dissolved in water to obtain 185 g of a 20% calcium hydroxide solution?
| March 18, 2021 | education
Decision:
ω = 20% ω = m r.v 100% m r-ra = 185g m r-find: m r.v. = m r-ra ω = 20 185 \ 100 = 37gm r.v. one hundred%
Answer: 37g
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