GATE XL · 2020 · XL-Q
Question 17: Chemical Equilibria
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Question 17
XL-QNAT2 marksNeeds review
The second pKa of phosphoric acid is 6.8. The ratio of Na₂HPO₄ to NaH₂PO₄ required to obtain a buffer of pH 7.0 is ________ (rounded off to two decimal places).
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2020XL-Q
GATE XL 2020 · Paper 1
Life Sciences · Original paper archive
- Section
- Section XL-Q
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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