Chemistry, 17.10.2021 04:30 miguelturner
Cho 3,9g kim loại kiềm tác dung vs nước ( dư ) thu được 1,12 lít khí hidro ( đktc ) và dung dịch A
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Tính thể tích dung dịch HCL 1M cần để trung hòa dung dịch A
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The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
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Which of the following compounds would be expected to have the strongest ionic bonds? a)the compound that has b)the largest ions with the greatest charge c)the compound that has d)the largest ions with the least charge the compound that has the smallest ions with the greatest charge the compound that has the smallest ions with the least charge
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Cho 3,9g kim loại kiềm tác dung vs nước ( dư ) thu được 1,12 lít khí hidro ( đktc ) và dung dịch A...
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