How is the Unit of Quantity of Matter used in Chemistry defined? Calculate the molar mass of: Pb (Cr O3) 2
From the concept of mole indicated, perform the following calculations:
1. What is the mass of a molecule?
2. How many atoms does a molecule of the indicated substance have?
3. In a kilogram of substance, how many molecules will there be?
4. How many moles of atoms of each species are in one mole of molecules?
Answers: 3
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How is the Unit of Quantity of Matter used in Chemistry defined? Calculate the molar mass of: Pb (Cr...
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