the ka of an acid is 1.3 x 10–7. based on the ka and its relationship with kw, what is the value of kb?
a) 1.3 x 10–21

b) 7.7 x 10–15

c) 1.3 x 10–14

d) 7.7 x 10–8

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?