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Worksheet: Purity in Yield Calculations

Q1:

A car travels 37.5 miles for every gallon of gasoline consumed, where 1 gallon is equivalent to 3.785 L. If gasoline is 84.2% carbon by mass and has a density of 0.8205 g/mL, calculate the mass of carbon dioxide produced during a journey of 500 miles.

  • A 187 kg
  • B 152 kg
  • C 222 kg
  • D 128 kg
  • E 167 kg

Q2:

Titanium dioxide is prepared from ilmenite ( F e T i O ) 3 according to the equation:

What mass of titanium dioxide can be prepared from 379 g of an ore containing 88.3% ilmenite by mass?