Question

a) Write the postulates of Dalton’s Atomic theory.

b) A gas jar contains 1.7 g of Ammonia (NH3). How many molecules of Ammonia

are present in the sample?​

Answer 1

Answer:

A) All matter consists of indivisible particles called atoms. Atoms of the same element are similar in shape and mass, but differ from the atoms of other elements. Atoms cannot be created or destroyed. Atoms of different elements may combine with each other in a fixed, simple, whole number ratios to form compound atoms.

B)

Answer 2

Answer:

a) All matter consists of indivisible particles called atoms. Atoms of the same element are similar in shape and mass, but differ from the atoms of other elements. Atoms cannot be created or destroyed. Atoms of different elements may combine with each other in a fixed, simple, whole number ratios to form compound atoms.

b) answer in image

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