Some Basic Concepts Of Chemistry Question 329

Question: A sample of phosphorus trichloride (PCl3) contains 1.4 moles of the substance. How many atoms are there in the sample [Kerala PMT 2004]

Options:

A) 4

B) 5.6

C) 8.431×1023

D) 3.372×1024

E) 2.409×1024

Show Answer

Answer:

Correct Answer: C

Solution:

No. of atoms in one molecule = no. of moles ×,6.022×1023

=1.4×6.022×1023=8.432×1023



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