16. What is the mass of 3.20 moles of KF?

Question

Question

science chemistry

Answer 1

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Answer #1

Molar mass of KF = Molar mass of K + molar mass of F

= 39.0983 + 18.998403 = 58.0967 g/mol

we know Moles = Mass of KF / Molar mass of KF

Mass of KF = Moles of KF * Molar mass of KF

= 3.20 mole * 58.0967 g/mol = 185.9 g ~ 186 g

Answer 2

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