Determine the mass of precipitate, in grams, that forms when 62.8 mL of 0.0499 M Pb(NO3)2 reacts with 84.2 mL of 0.0446 M KI. Pb(NO3)2(aq) + 2KI(aq) → 2KNO3(aq) + PbI2(s)

Complete the following reactions using word and balanced equations including states. dilute phosphoric acid is added with a calcium hydroxide solution.

Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solution is

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2