Oxygen is present in a flask of 1.12L capacity at a pressure of 7.6 xx 10^(-10) mm of Hg at 0^@C. The number of oxygen molecules in the flask is

Oxygen is present in a flask of 1.12L capacity at a pressure of 7.6 xx

1.	Oxygen is present in a flask of 1.12L capacity at a pressure of 7.6 xx 10^(-10) mm of Hg at 0^@C. The number of oxygen molecules in the flask is
Answer» `1.5 XX 10^10` `3 xx 10^12` `3 xx 10^10` `6 xx 10^12` ANSWER :C