What number of oxygen atoms are in 2.90g of quartz? (SiO2)
Discover the variety of moles initially, so take the mass occasions molar weight. 2.90g(28.086g/mol+(2(16))=174.25moles. Take this occasions Avogadro’s quantity, 6.022*10^23. Take this occasions 2 as a result of there are 2 oxygen molecules for each Si.
5.82*1022
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