Balance the following reaction
3Mg + 1N2 + Mg N2

Which factor is likely to impact the possible number of compounds ?

Ab c or d ? i’m not sure what the answer is

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water