Question 1
Which of the compounds of H
2C
2O
4, Ca(OH)
2, KOH, and HI behave as acids when they are dissolved in water?
◦ Ca(OH)
2 and KOH
◦ H
2C
2O
4 and HI
◦ only HI
◦ only KOH
Question 2
Which of the following aqueous solutions has the lowest concentration of sulfate ion?
◦ 0.1 M Al
2(SO
4)
3 ◦ 0.2 M MgSO
4 ◦ 0.3 M Li
2SO
4 ◦ 0.4 M K
2SO
4 ◦ 0.5 M CuSO
4