How many moles of ions are in the following? (a) 0.0245 g AgNO3

(b) 0.182 mol K2CrO4

(c) 0.630 g Ba(OH)2

(d) 1.48 X 10^-9 mol Na2CO3

Nitrogen dioxide reacts with water to form nitric acid and nitrogen monoxide according to the equation: 3no2(g)+h2o(l)→2hno3(l)+no(g) part a suppose that 4.2 mol no2 and 0.50 mol h2o combine and react completely. which reactant is in excess? express your answer as a chemical formula. nothing

How does decreasing the gas volume affect the pressure of a gas?

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both