The Ph of a solution that has a hydronium ion concentration [H3O+(aq)] of 4.3X10-5 mol/l is what? Another question is: Because tomato plants grow best in slightly acidic soil they should be grown in soil with a ph of approximately

A. 1.3

B.5.9

C. 7.0

D.8.4

Another question is: Borax is ? Solution with a hydronium ion concentration [H3O+(aq)] of ? Mol/L

A. Basic and 0.98

B. An acidic and 0.98

C. A basic and 3.2X10-10

D. An acidic and 3.2X10-10