Chemistry, 12.10.2021 09:40 emmalybrown
Cho a g hhA (Na và Ca) vào y g H2O thì thu đc 6,72l khí (đktc) và ddB trg đó nồng độ M kiềm canxi. Tính x, y bt C% của Na là 8%
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Cho a g hhA (Na và Ca) vào y g H2O thì thu đc 6,72l khí (đktc) và ddB trg đó nồng độ M kiềm canxi. T...
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