Calculate the ratio of effusion rates for ar and kr

Ratio=1.44

Explanation:

According to Graham's law of effusion, the ratio of effusion rates for two gases can be written as:

Ratio =

Where M1 and M2 are the molar masses of the gases. In this case, M1 is the atomic mass of  Kr (83.798) and M2 is the atomic mass of Ar (39.948).

Ratio =

Thus Ar effuses 1.44 times faster than Kr

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).