Question #b1bdd

1 Answer
Sarah C
May 20, 2017

4.5165 xx 10^234.5165×1023

Explanation:

One mole of any substance contains a number of molecules equal to the Avogadro Constant, which is 6.022×10^236.022×1023.
So, in 0.75 moles, there will be 0.75xx(6.022×10^23) = 4.5165 xx 10^230.75×(6.022×1023)=4.5165×1023 molecules

Hope this helps; let me know if I can do anything else:)

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