Some Basic Concepts Of Chemistry Question 328

Question: The number of molecules of CO2 present in 44g of CO2 is [BCECE 2005]

Options:

A) 6.0×1023

B) 3×1023

C) 12×1023

D) 3×1010

Show Answer

Answer:

Correct Answer: A

Solution:

wt of CO2=44

mol wt of CO2=44

No. of molecule =wt. of CO2mol,wt,of,CO2×6.02×1023

=4444×6.02×1023 =6.02×1023



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