Jisel has 43.2g of CaO. If the molar mass of CaO is 56.08 g/mol, how many moles of CaO does Jisel have? Which of the following is correct

A - 0.770 mol CaO

B - 2422 mol CaO

C - 4.64 x 1023 mol CaO

D - 99.28 mol CaO

What is the number of moles in 15.0 g ash3?

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.

Acontrol during an experiment. might change remains constant does not exist does change