An aqueous solution contains the following ions Cl^ - ,Ag^ + ,Pb^ 2+ ,NO 3 ^ - Identify the precipitates SO 4 ^ 2-- More than one precipitate will form. Identify the precipitates

1) AgCl
2) Ag_2SO_4
3) PbCl_2
4) Pb(NO_3)_2
5) PbSO_4

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Name the element in group 17, period 2. (periodic table)

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?