How many CaSO4 in kg is required for producing 1 mole of Na2SO4? Assume NaCl in excess

You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas

You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use

Which of the following will cause an increase in the acceleration of an object? increase force decrease force increase mass decrease mass