5.
A 5.0 g sample of MgCl, may contain measurable amounts of other compounds as impurities.
Wh...
5.
A 5.0 g sample of MgCl, may contain measurable amounts of other compounds as impurities.
Which of the following quantities is (are) needed to determine that the sample is pure MgCl2 ?
A
The color and density of the sample
B
The mass of Mg in the sample only
The number of moles of Cl in the sample only
D
The mass of Mg and the mass of Cl in the sample
Answers: 2
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Answers: 1
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