Convert 47.2 g CO= ______ molecules CO

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Answer 1

Answer:

Answer:

1.01 x 10^24 molecules

Explanation: This problem is solved by remembering Avogadro's number and since we have the mass of CO, we can easily calulate the number of moles.

Molecular Weight CO : 28.01 g/mol

47.2 g * 1mol / 28.01 g = 1.68 mol

Now 1 mol of CO is 6.022 x 10^23 molecules ( Avogadro's Number) then

1.68 mol CO * 6.022 x 10^23 = 1.01 x 10^24 molecules

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