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Answer to Question #56271 in General Chemistry for Ingrid

Question #56271
78kg of K metal is equal to how many moles?
Expert's answer
Solution: 78 kg = 78000 g
M(K)=39 g/mol
ν=m/M
ν(K)=78000 g / 39 g/mol = 2000 mol
Answer: 2000 moles.

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