Question:

A 0.955-g sample of an unknown metal, with a charge of

Last updated: 8/5/2022

A 0.955-g sample of an unknown metal, with a charge of

A 0.955-g sample of an unknown metal, with a charge of 2+, reacts with acid to liberate 380. mL of hydrogen gas when collected over water at 20.0 °C and 720. mmHg total pressure. What is the equivalent mass of the metal? What is the identity of the metal? (VP of water at 20°C = 17.5 mmHg)