Among the following choose the ones with equal number of atoms. A. 212 g of Na 2 CO 3 ( s ) [molar mass = 106 g ] B. 248 g of Na 2 O (s) [molar mass = 62 g ] C. 240 g of NaOH ( s ) [molar mass =

Question

Among the following choose the ones with equal number of atoms. A. 212 g of Na 2 ​ CO 3 ​ ( s ) [molar mass = 106 g ] B. 248 g of Na 2 ​ O (s) [molar mass = 62 g ] C. 240 g of NaOH ( s ) [molar mass = 40 g ] D. 12 g of H 2 ​ ( g ) [molar mass = 2 g ] E. 220 q of CO 2 ​ ( q ) [molar mass = 44 g ] Choose the correct answer from the options given below:NEET 2025

TestHub · Accepted Answer

No. of atoms = Atomicity × mole × N A ​ (A) No. of atoms = 6 × 106 212 ​ × N A ​ = 12 N A ​ (B) No. of atoms = 3 × 62 248 ​ × N A ​ = 12 N A ​ (C) No. of atoms = 3 × 40 240 ​ × N A ​ = 18 N A ​ (D) No. of atoms = 2 × 2 12 ​ × N A ​ = 12 N A ​ (E) No. of atoms = 3 × 44 220 ​ × N A ​ = 15 N A ​

Chemistry - Mole Concept Question with Solution | TestHub

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