Chemistry, 06.10.2019 05:40 shaylawhitacre
If 7.50* 10^24 molecules of a substance have a mass of 454 g , what is the molar mass of the substance ?
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Chemistry, 22.06.2019 21:30
An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.
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Chemistry, 23.06.2019 14:30
If energy was included in a chemical reaction, on which side of the equation would it be written for an endothermic reaction?
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If 7.50* 10^24 molecules of a substance have a mass of 454 g , what is the molar mass of the substan...
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