Question 1
Identify the oxidation state of Mg in MgCl
2(
aq).
Mg(
s) + 2HCl(
aq) → MgCl
2(
aq) + H
2(
g)
◦ +1
◦ +2
◦ 0
◦ -1
◦ -2
Question 2
According to the following balanced reaction, how many moles of NO are formed from 8.44 moles of NO
2 if there is plenty of water present?
3NO
2(
g) + H
2O(
l) → 2HNO
3(
aq) + NO(
g)
◦ 8.44 moles NO
◦ 2.81 moles NO
◦ 1.83 moles NO
◦ 5.63 moles NO
◦ 25.3 moles NO