Draw 4-fluorobenzoic acid, methyl-4-aminobenzoate, and 1,4-diethoxybenzene if a solution of the above three compounds is treated with 3 M NaOH

The density of water is 1 g/cm cubed and in order for the pebble to sink its density has to be greater than the density of water and in order for the twig to float its density has to be less than the density of water

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.