How many moles of CO2 are present in 220 mg ?
Maths / Direction Sense MCQs — Multiple-choice practice
- A. 500 mole
- B. 0.005 mole
- C. None
- D. 700 mole
Correct answer
0.005 mole
Explanation
Explanation Weight of given sample of C O 2 = 2 2 0 m g = 2 2 0 × 1 0 − 3 g no. of moles (n) = molecular weight Weight of given sample = 4 4 2 2 0 × 1 0 − 3 = 5 × 1 0 − 3 = 0 . 0 0 5 m o l e
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