The hydroxide ion concentration in an aqueous solution at 25°C is 7.0x10^-2 M. The hydronium ion concentration is ___ M.
The pH of this solution is ___
The pOH is __

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

Stage in which a typical star has completely stopped fusion