Determine the molar mass of a substance when 8.718 X 1021 particles have a mass of 5.137 9.
0 0.01448 g/mol
O 30.92 g/mol
O 354.7 g/mol
5.892 x 1020 g/mol
O None of the above.
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Answered by
2
Answer:
354.7 g/mol
Explanation:
5.137g of substance has 8.718 x 10 ^ 21 particles
the mass of substance having 6.023 x 10^23 particles is its molar mass
for getting the answer multiply 6.023 x 10^23 with 5.137g and divide the answer by 8.718 x 10^21 then we get the molar mass as 354.7 g/mol
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