Among the following, choose the ones with equal number of atoms. A. 212 g of Na2CO3(s) [molar mass = 106 g] B. 248 g of Na2O(s) [molar mass = 62 g] C. 240 g of NaOH(s) [molar mass = 40 g] D. 12 g of H2(g) [molar mass = 2 g] E. 220 g of CO2(g) [molar mass = 44 g] Choose the correct answer from the options given below :

1. A. B, D, and E only
2. B. A, B, and C only
3. C. A, B, and D only
4. D. B, C, and D only

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