Question: If 10²¹ molecules are removed from 200mg of CO₂, then the number of moles of CO₂ left are [IIT 1983]
(a) 2.85 10^-3
(b) 28.8 10^-3
(c) 0.288 10^-3
(d) 1.68 x 10^-2
Correct Answer: (a) 2.85 10^-3
![Question: If 10²¹ molecules are removed from 200mg of CO₂, then the number of moles of CO₂ left are [IIT 1983] (a) 2.85 10^-3 (b) 28.8 10^-3 (c) 0.288 10^-3 (d) 1.68 x 10^-2](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZo5VqrexpdSRoSc-m_KnkuHf9wchM5rQZdNJvzfUSRUv0m95UwDUGy872MqfBwCoUPBBNh8SAQDlL9IEoS0StpGXO39TZbN49PrCUKHeSLRrNlrasDfIIBldKDXnrT9XCCt-yXno1yDC2nQE4OHAN8G47zEVd9iStUbYXung9y291GZD674pp-DR0/s1920/If%2010%C2%B2%C2%B9%20molecules%20are%20removed%20from%20200mg%20of%20CO%E2%82%82,%20then%20the%20number%20of%20moles%20of%20CO%E2%82%82%20left%20are%20%5BIIT%201983%5D.jpg "Question: If 10²¹ molecules are removed from 200mg of CO₂, then the number of moles of CO₂ left are [IIT 1983] (a) 2.85 10^-3 (b) 28.8 10^-3 (c) 0.288 10^-3 (d) 1.68 x 10^-2")
If 10²¹ molecules are removed from 200mg of CO₂, then the number of moles of CO₂ left are [IIT 1983]