Answer :
Step 1
1 mole of SiF4 = 104.04 g of SiF4
(Atomic masses: Si = 28.08; F = 18.99 both from the periodic table)
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Step 2
Procedure:
[tex]11\text{ moles SiF4 x \lparen}\frac{104.04\text{ g SiF4}}{1\text{ mole SiF4}})\text{ = 1144.44 g}[/tex]Answer: 1144.44 g SiF4