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31-01-2024
Chemistry

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What is the new pH when 50 ml of 0.01 M NaOH is added to 100 ml of 0.05 M sodium phosphate monobasic solution (NaH₂PO4) (pKa of H₂PO4- = 7.2)?

Answer Options:
a. 4.74
b. 7.20
c. 6.25
d. 8.15
e. 10.23

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