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Find the moles using the formula: moles= grams/molecular mass

In this case, molecular mass = 24+4+32 = 60g/mol

so 66/60 = 1.1 moles

Then, using avogadro's constant, work out the number of molecules.

n(molecules) = number of moles x 6.02x10^23

=1.1x 6.02x 10^23

=?

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