MCQM3789 · [1] Magnesium reacts with excess hydrochloric acid. 48.0 cm^3 of hydrogen gas is collected in 30.0 s . What is the average rate of gas production? A0.625 cm^3 s^-1B1.60 cm^3 s^-1C16.0 cm^3 s^-1D1440 cm^3 s^-1 Next question →