Polarity occurs in which type of bond?

What is the molality of a solution that has 4 mol of kci in 0.800 kg of water

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)