How many grams of NH3 are needed to provide the same number of molecules as in 0.15 grams of SF6

Question

Giovanna Kramer

Chemistry

1 May, 07:13

How many grams of NH3 are needed to provide the same number of molecules as in 0.15 grams of SF6

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Answers (1)

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Rihanna Ayers · Answer 1

Moles of SF6 = 0.15/molar mass of SF6 = 0.15/146.06 = 1.02 x 10⁻³ moles.

Moles of NH3 = Moles of SF6 = 1.02 x 10⁻³ moles.

Therefore mass of NH3 = moles of NH3 x molar mass of NH3

= 1.02 x 10⁻³ x 17.03

= 0.017 grams.