- - 第一題 硝酸根0.9mol每升 mg離子0.45mol每升
第二題0.075mol
第三題怎么有小數(shù)點 .1.17
幾道英文版的化學(xué)題,
幾道英文版的化學(xué)題,
1.A solution is labeled "0.450M magnesium nitrate." Calculate the concentration of each ion present in solution.
2.Calculate the number of moles of KOH in 150.0 mL of a 0.500M KOH solution.
3.Cauculate the new concentration when 50.0mL of water is added to 725.0mL of 1.25M NaCl.
1.A solution is labeled "0.450M magnesium nitrate." Calculate the concentration of each ion present in solution.
2.Calculate the number of moles of KOH in 150.0 mL of a 0.500M KOH solution.
3.Cauculate the new concentration when 50.0mL of water is added to 725.0mL of 1.25M NaCl.
英語人氣：632 ℃時間：2020-08-18 06:05:04
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