The molar mass of Z is 20 g- Find the mass of 1 atom of Z-A- 3-32 - 10-23 gB- 5-32 - 10-23 gC- 2-65 - 10-23 gD- 4-32 - 10-23 g

The correct option is A 3.32×10 23g 1 mole = 6.022 × 10^23atoms Molar mass = 20g So, 6.022 × 10^23atoms of Z weigh 20g. 1 atom weigh 3.32 × 10^ 23 g. ...

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Standard X

Chemistry

Atomic Mass

The molar mas...

Question

The molar mass of Z is 20g. Find the mass of 1 atom of Z.

2.65×10^-23g

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3.32×10^-23g

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5.32×10^-23g

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4.32×10^-23g

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Solution

The correct option is B
3.32×10^-23g

1 mole = $6.022 \times 10^{23}$ atoms

Molar mass = 20g

So, $6.022 \times 10^{23}$ atoms of Z weigh 20g.

1 atom weigh $3.32 \times 10^{- 23}$ g.

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The molar mass of Z is 20g. Find the mass of 1 atom of Z.

The correct option is B 3.32×10-23g 1 mole = 6.022×1023atoms Molar mass = 20g So, 6.022×1023atoms of Z weigh 20g. 1 atom weigh 3.32×10−23 g.

The correct option is B
3.32×10^-23g

1 mole = $6.022 \times 10^{23}$ atoms

Molar mass = 20g

So, $6.022 \times 10^{23}$ atoms of Z weigh 20g.

1 atom weigh $3.32 \times 10^{- 23}$ g.