How many moles of oxygen atoms are on 4.7x1022 molecules of carbon dioxide?
1 answer:
Answer:
0.076
Explanation:
n=4.7×10^22/6.022×10^23
n=0.076mol
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Number of moles = number of atoms/Avogadro's number
= (4.8x10^25)/(6.02x10^23)
=79.7 mol (3sf)
The answer is A - cytosine and adenine
Answer:
convection
Explanation:
# moles = mass / Mr
moles = 28 / (12+(16*2))
#moles = 28/44
#moles = 0.63 moles
Answer:
Mass number -Atomic number
