Answer:
12hrs
Explanation:
Hope this helps
cgjffhj
8#8#**$*$&$&$,jdjbd
if i am correct it shall be 12. because i am thinking, 1 mole = 1 ar.
Na2SO4 means: two moles sodium (45.98 g), one mole sulfur (32.06 g), and four moles oxygen (64.00 g) combine to form one mole of sodium sulfate (142.04 g).
