3 years ago

How many moles are in 25g of CO2? With calculation show please

Mathematics

2 answers:

GuDViN [60]3 years ago

5 0

Here’s the answer! Let me know if you have any questions

goldenfox [79]3 years ago

3 0

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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