Molar mass of electron is nearly: NA=6×1028

Molar mass of electron;=9.1×10−31×6×1023 kg mol-1=54.6×10−8 kg mol−1.

Molar mass of electron is nearly: NA=6×1028

Molar mass of electron;=9.1×10−31×6×1023 kg mol-1=54.6×10−8 kg mol−1.

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Molar mass of electron is nearly: $(N_{A} = 6 \times 10^{28})$

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$\begin{aligned} 9.1 \times 10^{- 31} kg {mol}^{- 1} \end{aligned}$

$\begin{aligned} 9.1 \times 10^{- 81} gm {mol}^{- 1} \end{aligned}$

$54.6 \times 10^{- 8} gm {mol}^{- 1}$

$54.6 \times 10^{- 8} kg {mol}^{- 1}$

answer is D.

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Molar mass of electron;

$= 9.1 \times 10^{- 31} \times 6 \times 10^{23} kg {mol}^{- 1}$

$= 54.6 \times 10^{- 8} kg {mol}^{- 1}$ .

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Molar mass of electron is nearly: $(N_{A} = 6 \times 10^{28})$