3.20 g of magnesium reacts with hydrochloric acid, generating hydrogen gas according to the reaction below. The hydrogen
gas is collected over water.
Mg(s) + 2HCl(aq) MgCl2(aq) + H2(8)
If 2.97 L of hydrogen gas is collected at 760.0 mmHg and
20°C, what was the percent yield of the reaction?

The diagin dilutepage 6 of 12a6a5(a)fluorine, chlorine, bromine and iodine are placed in the same group of theperiodic table.state the common name used to describe elements in this group.(i)state the group in which the elements are placed and explain whythey are placed in that group.(ii)which of the above named elements is a solid at roomtemperature and pressure?

Can anyone answer these questions? ? i need it before 1: 00pm today

How many grams of carbon are in 237 grams of ethanol(c2h5oh) and how many sulfide ions are in 2.45 moles of aluminum sulfide show me you you got the answers