1.2 l sample of gas is determined to contain 0.5 moles of nitrogen. at the same temperature and pressure, how many moles of gas would there be in a 20 l sample?

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

What is the correct name for the compound cocl3? a) cobalt(i) chloride b) cobalt(i) chlorate c) cobalt(ii) chlorate d) cobalt(iii) chloride

What is the molecular formula of ferrous nitrate and ferric nitrate