How many moles are in 25g of CO2?
With calculation show please
2 answers:
Here’s the answer! Let me know if you have any questions
Answer:
0.568 moles (3 s.f.)
Step-by-step explanation:
no. of moles= mass ÷mr
Mr (molecular mass) is the sum of atomic masses of the atoms in the compound. The atomic mass can be found from the periodic table.
Mr of CO₂
= 12 + 2(16)
= 44 amu
Thus, no. of moles
= 25 ÷44
= 0.568 moles (3 s.f.)
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