Short Answer
A 5.00 mL sample containing sulphurous acid (Ka1 = 1.5 x 10-2; Ka2 = 1.0 x10-7) is titrated with 0.1324M NaOH. The stoichiometric point is at 25.32 mL. How many g of H2SO3 are present in the sample and what is the pH at the stoichiometric point?
Correct Answer:
Verified
Correct Answer:
Verified
Q7: A biochemist wishes to study the activity
Q8: What is the concentration of Ca<sup>2</sup><sup>+</sup> in
Q9: An aqueous solution is 0.2 M in
Q10: How would you make a buffer of
Q11: The equivalence point for titration of 50
Q13: When 0.1 moles of HCl are added
Q14: When 0.1 moles of HC<sub>2</sub>H<sub>3</sub>O<sub>2</sub> and 0.1
Q15: What is the concentration of phosphate in
Q16: A buffer solution made from ammonia, NH<sub>3</sub>,
Q17: In the selective precipitation of metal ions