What is true about a fuel cell?

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

What is the polyatamic ion of borate