If represents Avogadro's constant

CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance

Problem

If NAN_A represents Avogadro's constant, the number of molecules in 2 g of H2H_2 gas is about (1) NA6\frac{N_A}{6} (2) NA2\frac{N_A}{2} (3) NAN_A (4) 2NA2N_A

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