Molar mass of F 2 is 38 g- How many atoms are present in 0-147 mole of F 2 -A- 0-292 atomsB- 1-76 - 1023 atomsC- 6-02 - 1023 atomsD- 8-78 - 1022 atoms

The correct option is B 1.76 Χ 1023 atoms One molecule of F2 contains 2 atoms of fluorine. 1 mol of fluorine contains 2 X 6.023 X 1023 atoms So, 0.147 moles w ...

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Standard IX

Chemistry

Atomic Mass and Atomic Mass Unit

Molar mass of...

Question

Molar mass of F₂is 38 g. How many atoms are present in 0.147 mole of F₂?

1.76 Χ 10²³ atoms

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0.292 atoms

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8.78 Χ 10²² atoms

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6.02 Χ 10²³ atoms

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Solution

The correct option is A
1.76 Χ 10²³ atoms

One molecule of F₂contains 2 atoms of fluorine.

1 mol of fluorine contains 2 X 6.023 X 10²³ atoms

So, 0.147 moles will contain 0.147 X 2 X 6.023 X 10²³= 1.76 X 10²³ atoms of flourine.

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Molar mass of F2 is 38 g. How many atoms are present in 0.147 mole of F2?

The correct option is A 1.76 Χ 1023 atoms One molecule of F2 contains 2 atoms of fluorine. 1 mol of fluorine contains 2 X 6.023 X 1023 atoms So, 0.147 moles will contain 0.147 X 2 X 6.023 X 1023 = 1.76 X 1023 atoms of flourine.

Molar mass of F₂is 38 g. How many atoms are present in 0.147 mole of F₂?

The correct option is A
1.76 Χ 10²³ atoms

One molecule of F₂contains 2 atoms of fluorine.

1 mol of fluorine contains 2 X 6.023 X 10²³ atoms

So, 0.147 moles will contain 0.147 X 2 X 6.023 X 10²³= 1.76 X 10²³ atoms of flourine.