Determine how many atoms/molecules in the following samples
1.32 moles Si =
7.29 mol CO2 =
712.4 g AuCI =
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Ответ:
6.D
D because the mass of one mole (molar mass) of helium gas is 4.002602 g/mol. 4.002602 * 5=20.01309. Rounded equals 20. So, the answer is D.20 g.
Ответ:
D: Ivan is often blamed for things that are not his fault