How many molecules of F2 are there in 4.2 mol F2?

There are 2.53 × 10²⁴ molecules of F2 in 4.2 moles of F2.

HOW TO CALCULATE NUMBER OF MOLECULES:

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Hey there!

1 mol has 6.022 x 10²³ molecules.

If we have 4.2 mol F₂, multiply the number of molecules in 1 mol by 4.2.

4.2 x 6.022 x 10²³

2 sig figs

25 x 10²³

Put this properly into scientific notation.

2.5 x 10²⁴ molecules of F₂

Hope this helps!

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just finished the assignment