A 505 G Sample of Quartz (SiO₂)contains 2

question 103

Multiple Choice

A 5.05 g sample of quartz (SiO₂) contains 2.36 g of silicon. What are the percentages of silicon and oxygen in quartz?

• A)53.3% Si and 46.7% O
• B)46.7% Si and 53.3% O
• C)29.9% Si and 70.1% O
• D)70.1% Si and 29.9% O
• E)46.7% Si, and insufficient information to calculate % O

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