Answer:
0.690 molar H 2 SO 4 Â or sulfuric acid
Explanation:
Molarity (M) =  1.724 mol  H 2 SO 4 / 2.50 L  =  0.6896 mol  H 2 SO 4 /L  =  0.690 mol H 2 SO 4 /L
(due to three significant figures in 2.50 L.)
The container for this solution would be labeled  0.690 M H 2 SO 4  and would be called  0.690 molar H 2 SO 4  or sulfuric acid.
The container for this solution would be labeled  0.690 M H 2 SO 4
and would be called  0.690 molar H 2 SO 4  or sulfuric acid.