How many grams are in 1.50 moles of SiOz?

90.126g

Explanation:

I am going to assume that the equation is supposed to say SiO2.

We want to calculate the number of grams in 1.50 moles of SiO2.

First we must find the molecular mass of SiO2

Looking at a periodic table, the mass of Silicon(Si) is 28.086g and the mass of Oxygen(O) is 15.999g

Using this, the mass of SiO2 would be 28.086 + 15.999(2) = 60.084g

Now we can use dimensional analysis to find the number of grams in 1.50 moles of SiO2

The table created should look something like

the molSiO2 cancel out and we get

= 90.126g

So there are 90.126g of SiO2 in 2 moles of SiO2

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