Question

(B) Calculate the mass of the following.
a) 0.5 mole of N2 gas.
b) 3.011* 10 23 number of N atoms.​

Answer 1

Answer:

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Explanation:

mass = molar mass × number of moles

⇒m=M×n=28×0.5=14g

b)  The number of moles, n

= given number of particlesAvogadro number=NN0

=3.011×10236.022×1023

⇒m=M×n=14×3.011×10236.022×1023

=14×0.5=7g