8.0 gram of caustic soda (NaOH) contains same number of sodium ions as are present in :
(A) 0.1 mole of NaNO3
(B) 0.1 mole of Na2SO4
(C) 5.85 gram of NaCl
(D) 10.6 gram of Na2CO3
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Answer:
The answer is a option B
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