If one mole of ptcl2·3nh3 reacts with agno3 to produce one mole of agcl(s), how can the formula ptcl2·3nh3 be re-written to show the proper coordination sphere?
a) [pt(nh3)3cl2]
b) [pt(nh3)3cl]cl
c) [pt(nh3)3cl3]-
d) [pt(nh3)3]cl2

Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2al(s)+3cl2(g)→2alcl3(s) what is the maximum mass of aluminum chloride that can be formed when reacting 32.0 g of aluminum with 37.0 g of chlorine? express your answer to three significant figures and include the appropriate units.

What must happen before a body cell can begin mitotic cell division

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.