5 4. Calculate the density of a liquid in a beaker. The beaker has a mass of 15 grams when
empty. The beaker plus an unknown liquid has a mass of 53 grams. What is the density of
the liquid if its volume is 10 mL?
I

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)