If 8,16 g of CuNO, is dissolved in water to make a 0.240 M solution, what is the volume of the solution in milliliters

Which change to the system wood cause the freely-moving piston to lower?

Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )

How many neutrons does an element have if its atomic number is 50 and its mass number is 166