Posted by mary on Tuesday, March 19, 2013 at 2:12pm.
Solution x has a pH of 4.35. Solution y has 10- times high [OH-] compared to solution x. Solution z has a pH 4.0 units higher than that of solution x.
calculate the ration of [H3O+] between solutions x&y and between x&z.
What is the pH of solutions y and z?
classify each solution as acidic, basic,or neutral.
Chemistry - DrBob222, Tuesday, March 19, 2013 at 2:29pm
I don't know what 10-times high [OH-] means.
Chemistry - mary, Tuesday, March 19, 2013 at 2:50pm
Oh, sorry. I meant to say that solution y has a 10 times higher OH- concentration compared to solution x. I hope it makes sense now. :-)
Chemistry - DrBob222, Tuesday, March 19, 2013 at 3:11pm
pH x = 4.35; therefore, pOH = 9.65
y has 10x higher OH; therefore, pOH must be 8.65 which makes pH = 14-8.35 = 5.35
z is 4.35 + 4.0 = 8.35
You can change these to H^+ and calculate the ratio and classify as acid, base, neutral.
Chemistry - mary, Tuesday, March 19, 2013 at 3:40pm
Thanak you so much for your help, DrBob222
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