12. Calculate the number of moles of CaCl2 required to make 1.25 L of a 0.50 M solution. (Show WORK. Circle the correct 0.63 mol or 0.89 mol)​

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