Gaseous argon has a density of 1.40 g/L at standard conditions. How many argon atoms are in 1.00 L of argon gas at standard conditions?
A) 4.7 × 1022
B) 2.1 × 1022
C) 3.4 × 1025
D) 1.5 × 1025
E) 6.02 × 1023
Correct Answer:
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