Answer:
C.
Step-by-step explanation:
Answer:
9.268
Step-by-step explanation:
<span>
According to Avogadro's law, 1 mole ,i.e., 6.2 * 10^23 particles of
every substance have mass equal to its molecular mass in grams. Since
the molecular mass of CuSO4 is 80 grams. It means 6.2 * 10^23 particles
of CuSO4 have a mass of 80 grams. Now u can calculate the mass of 3.36 *
10^23 particles by unitary method 3.36 * 10^23 *80/6.23 * 10^23 grams </span>
Answer:
I got 4 hours and 16 minutes
Step-by-step explanation:
I divided the amount of money he has ($26) to the amount it takes to rent for one hour ($6.25). To make it more simple you could just say 4 hours worth of rent.