Answer to Question #170542 in Organic Chemistry for Ella mae belgica

Question

Silicon dioxide with the chemical formula SiO_2. how many moles of silicon dioxide are there in 25^-3g of silicon dioxide

Answer 1

1) 25^-3=0,000064 g SiO2

2)n(SiO2)=m(SiO2)/M(SiO2)= 0,000064/(60)=0,000001067 mole SiO2