1.   An equation stating that two ratios are equal is called a(n) ______.
    A. cross product B. equivalent equation
    C. proportion D. rate
    Hint

  2.   Solve the proportion =
    A. B. -18
    C. 4.5 D.
    Hint

  3.   Convert 42 inches to feet.
    A. 3.5 ft B. 7 ft
    C. 18 ft D. 504 ft
    Hint

  4.   Convert 18 L to mL.
    A. 0.018 mL B. 180 mL
    C. 18,000 mL D. 1.8 mL
    Hint

  5.   In chemistry, the smallest sample dealt with in the lab is called a mole. One mole of Carbon has a mass of 12.0 g. If you have 172.3 g of Carbon, how many moles do you have?
    A. 0.12 mole Carbon B. 0.07 mole Carbon
    C. 14.4 moles Carbon D. 18.6 moles Carbon
    Hint



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