0.47 M KNO3 solution contains .757475 mol of KNO3 what is the volume

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?