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Calculate the number of atoms in 32.0 g of methane.

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Answer:

n=mass in grams/molar mass

n=32/16

n=2 mol

no. of atoms= 5×2×6.02×10^32

= 6.02×10^24

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Step-by-step explanation:

well the molar mass of 1 mol of methane is 16g.

32 means two moles of methane.

According to formula

n=mass in gram/molar mass

n=32/16

n=2 mol

now multiply these 2 mole with avagadros number, also methane contain 5 atoms ( CHE ) i.e

no. of atoms = 5×2×6.02×10^23

= 6.02× 10^24

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