Chlorine is produced by the reaction 2HCl(g) → H2(g) + Cl2(g). How many grams of HCl (36.5 g/mol) must be used to produce 10 L of chlorine at STP? a. 15.8 g b. 30.2 g c. 32.6 g d. 36.5 ...

A gas sample with a mass of 0.467 g is collected at 20.ºC and 732.5 mm Hg. The volume is 200. mL. What is the molar mass of the gas? a. 58 g/mol b. 180 g/mol c. 290 g/mol d. 730 ...

A sample of argon gas at standard pressure occupies 1000. mL. At constant temperature, what volume does the gas occupy if the pressure increases to 800. mm Hg? a. 500. mL b. 760. mL c. 950. mL d. 1053. mL

a. Boyle’s law. b. Charles’s law. c. Kelvin’s law. d. Dalton’s law.