1.

What is the chemical formula of hypo?

A. Na₂S₂O₃ - 5H₂O
B. NA₂S₂O₃ - 3H₂O
C. NA₂S₂O₃ - 2H₂O
D. NA₂S₂O₃ - 10H₂O
Answer» B. NA₂S₂O₃ - 3H₂O


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