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Calculate the number of molecules in 4.4 gm of CO2

Mole Concept (10)

Calculate the number of molecules in 4.4 gm of CO2. [Atomic mass of C = 12, O =16]

Answer

44 g of CO2 → 6.023 x 1023

4.4 g of CO2 → x

x = (4.4 × 6.023 × 1023)/44

= 6.023 x 1022

  • Exam Year: 2020
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