How much does 1.00 mole of $SiO_2$ substances weigh in grams?

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Answer 1 · 2018-03-17T16:22:38

Well what is the mass of a mole of oxygen atoms? It is $16*g$ ...

And what is the mass of a mole of silicon atoms? It is $28.1*g$ ..

And thus $SiO_2$ has a molar mass of $(28.1+2xx16.0)*g*mol^-1$ . From where did I get these molar masses?

How much does 1.00 mole of SiO_2SiO_2 substances weigh in grams?