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What is the mass, in grams, of 9.84x1024 molecules of methanol (CH3OH)?

Question

What is the mass, in grams, of 9.84x1024 molecules of methanol (CH3OH)?

check_circleAnswer
Step 1

Given:

Number of atoms = 9.84x1024 atoms.

Molar mass of CH3OH = 32 g/mol.

Step 2

Calculation for number of moles of CH3OH:

1 mole of any substance contain 6.023x1023 atoms.

6.023 x 1023 atoms -> 1 mole of CH3OH
9.84 x 1024 atoms -» x moles of CH3OH
9.84 X 1024 atoms X 1 mole of CH3OH
х —
6.023 x 1023atoms
x 16.34 moles
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6.023 x 1023 atoms -> 1 mole of CH3OH 9.84 x 1024 atoms -» x moles of CH3OH 9.84 X 1024 atoms X 1 mole of CH3OH х — 6.023 x 1023atoms x 16.34 moles

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Step 3

Calculation for mass of ...

mass
number of moles
molar mass
mass number of moles X molar mass
16.34 mol x 32 g/mol
mass
mass 522.8 g.
help_outline

Image Transcriptionclose

mass number of moles molar mass mass number of moles X molar mass 16.34 mol x 32 g/mol mass mass 522.8 g.

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