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[Automatic reply] Let N0 be Avogadro's constant, the following correct statement for 0.2 Mol/L sodium sulfate solution is ( ) A.1 L solution contains 0.2 NA sodium ions B. The total number of sodium ions and sulfate ions contained in 1 L solution is 0.6 NA The concentration of sodium ions in C.3 L solution is 1.2 Mol/L D.2 L solution contains 0.6 NA sulfate ions
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