Answer:
W has the most potential energy
Answer:
c. The reactant that is used up before the others
Explanation:
b. is also correct, because the limiting reactant is completely used up.
a. and d. are wrong. They describe the excess reactant.
<span>Avogadro's number
represents the number of units in one mole of any substance. This has the value
of 6.022 x 10^23 units / mole. This number can be used to convert the number of
atoms or molecules into number of moles.
</span><span>7.3x10^-3 g of CaSO4 ( 1 mol / 136.14 g ) = 5.36x10^6-5 moles
</span> 5.36x10^6-5 moles ( 6.022 x 10^23 formula units / mole ) = 3.23x10^19 formula units