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.
Q2:
Titanium dioxide is prepared from ilmenite according to the equation:
What mass of titanium dioxide can be prepared from 379 g of an ore containing 88.3% ilmenite by mass?