回答:
#“摩尔浓度的酸”= 1 * 10 ^ -2mol# #DM ^ -3#
# “OH” ^ - = 1 * 10 ^ -12mol# #DM ^ -3#
说明:
# “pH值”= 2#
#“摩尔浓度的酸”= “H”^ + = 10 ^( - “pH”)= 1 * 10 ^ -2mol# #DM ^ -3#
# “OH” ^ - =(1 * 10 ^ -14)/( “H” ^ +)=(1 * 10 ^ -14)/(1 * 10 ^ -2)= 1 * 10 ^ -12mol# #DM ^ -3#