Question

how many numbers of moles and present in the 42.5 gram of ammonium​

Answer 1

Answer:

Molar mass of ammonia is 17g and 17g ammonia contains 6.022×10^23 number of ammonia molecules due to this 4.25 g ammonia will contain (6.022×10^23×4.25)/17 = 1.5×10^23 number of ammonia molecules.

Answer 2

Answer:

no. of mole = 42.5÷ 17

=25

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