Calculate and explain the use of equations and variables when typing to calculate how far for a sound wave will travel in 10 seconds if the temperature of air is 30 C

The density would be 1.622

Neither model is able to show the reactivity of potassium.

Molarity is moles of solute over liters of solution. idk if that is what you are talking about, but you can convert moles of solute to grams of solute using dimensional analyzes by using molar mass found on the periodic table.