Question 1
Calcium phosphate reacts with sulfuric acid to form calcium sulfate and phosphoric acid. What is the coefficient for sulfuric acid when the equation is balanced using the lowest, whole-number coefficients?
◦ 1
◦ 2
◦ 3
◦ none of the above
Question 2
Calculate the number of grams of solute in 500.0 mL of 0.189 mol L
-1 KOH.
◦ 148 g
◦ 1.68 g
◦ 5.30 × 10
3 g
◦ 5.30 g
◦ 1.68 × 10
-3 g