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Chemistry, 22.06.2019 12:00
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
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Chemistry, 22.06.2019 15:20
Which description best characterizes the motion of particles in a solid?
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Chemistry, 23.06.2019 06:30
What is the chemical formula for a compound between li and br? libr li2br libr2 libr3
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