Chemistry
posted by mary .
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
I don't know what 10times high [OH] means.

Chemistry 
mary
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. :)
Mary 
Chemistry 
DrBob222
pH x = 4.35; therefore, pOH = 9.65
y has 10x higher OH; therefore, pOH must be 8.65 which makes pH = 148.35 = 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
Thanak you so much for your help, DrBob222
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