A flask contains `2.0xx10^(13)` molecules of `CO_(2)`. To this `1.5xx10^(14)` molecules of `CO_(2)` are added.
The number of molecules in the flask now is

Find the mass of. 6.02xx10^23 molecules of CO_2

The weight of 2.01xx10^(23) molecules of CO is-

The weight of 2.01xx10^(23) molecules of CO is-

The weight of 2.01xx10^(23) molecules of CO is-

Calculate the number of CO_(2) molecules in 10 moles of it.

The weight of 2.01xx10^(22) molecules of CO is-

A flask contains 3.0xx10^(16) atoms of He. From This 6.6xx10^(15) atoms of He are removed. The flask now contains atoms of He

A candle is burnt in a beaker until extinguishers itseft. A sample of gaseous mixutre in the beaker contains 6.08 xx 10^(20) molecules of O_(2) , and 0.50 xx 10^(20) molecules of CO_(2) . The total pressure is 734 mm of Hg . The partial pressure of O_(2) would be

A candle is burnt in a beaker until extinguishers itseft. A sample of gaseous mixutre in the beaker contains 6.08 xx 10^(20) molecules of O_(2) , and 0.50 xx 10^(20) molecules of CO_(2) . The total pressure is 734 mm of Hg . The partial pressure of O_(2) would be

x L of N_(2) at STP contains 3xx10^(22) molecules. The number of molecules in x//2 L of ozone at STP will be