What occurs as salt dissolves in water?

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

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

What is the molecular weight of copper