A sample of a washing powder that contains a mixture of Na2CO3 and NaHCO3 is titrated with aqueous H — Acid-Base Chemistry Chemistry Question
Question
A sample of a washing powder that contains a mixture of Na2CO3 and NaHCO3 is titrated with aqueous HCl and the following result is obtained:
What is the mole ratio of CO3 2– to HCO3 – in the washing powder?
A.
2 mol CO3 2– : 1 mol HCO3 –
B.✓ Correct
1 mol CO3 2– : 1 mol HCO3 –
C.
1 mol CO3 2– : 2 mol HCO3 –
D.
1 mol CO3 2– : 3 mol HCO3 –
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