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Tcecarenko [31]
3 years ago
10

How many moles are in 15.3 grams of KNO3?

Chemistry
1 answer:
Vedmedyk [2.9K]3 years ago
4 0

Answer:

0.151 mol

Explanation:

molar mass of KNO3 = (39.1 + 14 + 3×16) g/mol = 101.1 g/mol

number of moles = mass/molar mass

n = m/M = 15.3 g/(101.1 g/mol) = 0.151 mol

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