Write net ionic equations for the following molecular equations. HBr is a strong electrolyte. Pb(NO3)2(aq) + 2NaBr(aq) → PbBr2(s) + 2NaNO3(aq) What is the spectator ions? Q5 4 points How many milliliters of 0.250 M KMnO4 are needed to react with 3.36 g of iron(II) sulfate, FeSO4? The reaction is as follows: 10FeSO4(aq) + 2KMnO4(aq) + 8H2SO4(aq) 5Fe2(SO4)3(aq) + 2MnSO4(aq) + K2SO4(aq) + 8H2O(l) ​