How many neutrons does an element have if its atomic number is 41 and its mass number is 170?

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?

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?