A sample of iron was dissolved in hydrochloric acid. The liberated hydrogen was collected by displacement of water. The hydrogen occupied 562 mL at 26°C. The barometric pressure was 708 torr. What mass of iron was dissolved? The vapor pressure of water is 25 torr at 26°C.
Fe(s) + 2HCl(aq) → FeCl2(aq) + H2(g)Homework Help2 months ago