Question

What is the mass of:(a) 1 mole of nitrogen atoms ?(b) 4 moles of aluminium atoms (Atomic mass of aluminium = 27) ?​

Answer 1

Answer:

(a): 1*14 =14g

(b): 4*27=108g

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Answer 2

Question :-

What is the mass of

(a) 1 mole of nitrogen atoms?

(b) 4 moles of aluminium atoms (Atomic mass of aluminium = 27)?

Answer :-

(a) Mass of 1 mole of nitrogen atoms = 14 g

(b) 4 moles of aluminium atoms

Mass of 1 mole of aluminium atoms = 27 g

∴ Mass of 4 moles of aluminium atoms = 27 x 4 = 108 g

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