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04-06-2021
Chemistry

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Question 27
How many molecules are in 28 g of CO2?
O 3.5 x 10-21
O 7.42 x 1026
3.83 x 1023
O 3.8 x 1044

Question 27 How many molecules are in 28 g of CO2 O 35 x 1021 O 742 x 1026 383 x 1023 O 38 x 1044 class=

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11-06-2021

Answer:

3.83x10^23

Explanation:

number of moles of co2 is 0.636364

but number of molecules = number of moles times 6.02x10^23

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