Achemical change changes the of a substance.

shape
size
mass
identity

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?

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Match the mixture with the substance// i really need on this guys (it’s a pic btw)