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PbJ
Chemistry
4 January, 14:29
What is the number of moles in 432g Ba (NO3) 2
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Erica Friedman
4 January, 14:39
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First there is a need to calculate the molar mass of Ba (NO₃) ₂:
137.3 + 2 (14.0) + 6 (16) = 261.3 grams/mole
The molar mass, denoted by M in chemistry refers to a physical characteristic illustrated as the mass of a given component divided by the amount of the component. The molar masses are always denoted in grams/mole.
After finding the molar mass, the number of moles can be identified as:
432 grams / 261.3 g/mol = 1.65 moles of Ba (NO₃) ₂.
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