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What is the number of moles of SiO2 in 1 tonne SiO2?

What is the number of moles of SiO2 in 1 tonne SiO2?

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Answer #1

1 tonne =1000kg

Kg      = 1000g

1 tonne = 1000*1000g = 106 gm

molar mass of SiO2 = 60

no of moles       = weight of SiO2/gram molar mass

                       = 106 /60

                      = 0.016*106 = 1.6*104 moles >>> answer

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