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

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]

(a) 4 

(b) 5.6

(c) 8.431 x 10²³

(d) 3.372 x 10²⁴

(e) 2.409 x 10²⁴


Correct Answer: (c) 8.431 x 10²³


A sample of phosphorus trichloride (PCl₃) contains 1.4 moles of the substance. How many atoms are there in the sample [Kerala PMT 2004] (a) 4 (b) 5.6 (c) 8.431 x 10²³ (d) 3.372 x 10²⁴ (e) 2.409 x 10²⁴


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