Question

(a) Calculate the mass of 1.055x1023 molecules of CO2 ?

(b) Calculate the number of molecules of 0.25 moles of NH3 ?

(c) Calculate the formula unit mass of Na2SO3 ?

[At.mass of Na=23u; S=32u ; O=16u ; N=14u ;C=12u ;H=1u]​

Answer 1

Explanation:

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Answer 2

Answer:

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Explanation:

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