Multiple Choice Question Answer I — task. Science CBSE, Class 9.

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1. The number of iodine atoms present in 50 mL of a 0.1 M KI solution is

\(3\) x \(10^2{^1}\)
\(6\) x \(10^2{^3}\)
\(10\) x \(10^2{^3}\)
\(6\) x \(10^2{^2}\)

2. Calculate the number of particles in 8g of \(O_2\) molecules

\(1.51\) x \(10^2{^3}\)
\(1.41\) x \(10^2{^3}\)
\(1.61\) x \(10^2{^3}\)
\(1.32\) x \(10^2{^3}\)

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