The molecular formula for caffeine is C8H10O2N4. How many moles ...

[JMatthes]

Question 1

The molecular formula for a sugar molecule is C₁₂H₂₂O₁₁. What is the percent of carbon in the molecule?
◦ 2.37%
◦ 67.88%
◦ 42.12%
◦ 8.34%
◦ 26.67%

Question 2

The molecular formula for caffeine is C₈H₁₀O₂N₄. How many moles of C atoms are present in a 2.0 g sample of caffeine?
◦ 0.32 mole
◦ 0.27 mole
◦ 0.041 mole
◦ 0.082 mole
◦ 0.010 mole

[ktidd]

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[JMatthes]

Great answer, keep it coming

[kishoreddi]

Thanks for the timely response, appreciate it