In which compound is the percent compositionby mass of chlorine equal to 42%?

(1) HClO (gram-formula mass = 52 g/mol)

(2) HClO2 (gram-formula mass = 68 g/mol)

(3) HClO3 (gram-formula mass = 84 g/mol)

(4) HClO4 (gram-formula mass = 100. g/mol)

Name the element that is found in the third period and in the same family as Nitrogen

15.50 g of NH4Cl reacts with an excess of AgNO3. In the reaction 35.50 g AgCl is produced. what is the theoretical yield of AgCl calculated in grams?

The lightest weight element that is not a gas

What is the Kb value for a 0.17M solution of unknown with a pH of 9.45?

Why are the temperatures on each of the other terrestrial planets more extreme than the temperatures on earth

Allows water to pass through easily

Which is a cause of desertification? A. farming B. creating reservoirs C. overgrazing D. driving motor vehicles

What happens when the threat of exposure to dirty air is reduced in a community? There is enough oxygen available for people's lungs to function normally The amount of indoor air pollutants released during a fossil fuel burn decreases There is a

Is chicken noodle soup an element, a compound, a homogeneous mixture, or a heterogeneous mixture?

How is the amount of sunlight affect the makeup of an ecosystem