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Mariulka [41]
3 years ago
14

Mole Conversions What is the mass in grams of 0.625 mol Ba(NO3)2

Chemistry
1 answer:
sweet [91]3 years ago
6 0

0.0024 g of  Ba(NO₃)₂

Explanation:

First we need to determine the molecular weight of barium nitrate Ba(NO₃)₂

molecular wight of Ba(NO₃)₂ = molecular weight of Ba × number of Ba atoms + molecular weight of N × number of N atoms + molecular weight of O × number of O atoms

molecular wight of Ba(NO₃)₂ = 137 × 1 + 14 × 2 + 16 × 6 = 261 g/mol

number of moles = mass /  molecular weight

mass = number of moles × molecular weight

mass of Ba(NO₃)₂ = 0.625 / 261 = 0.0024 g

Learn more about:

moles

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