10.0 mL of solution is titrated against 0.2 M HCl solution. The following values were obtained in 5 readings: 4.8 mL, 4.9 mL, 5.0 mL, 5.0 mL and 5.0 mL.

Based on these readings, the concentration of

Question

10.0 mL of  solution is titrated against 0.2 M HCl solution. The following values were obtained in 5 readings: 4.8 mL, 4.9 mL, 5.0 mL, 5.0 mL and 5.0 mL.

Based on these readings, the concentration of  solution is  mM. (Round off to Nearest Integer)

Canvas Classes · Accepted Answer

Step 1 — Find concordant titre value:
The concordant (consistent) readings are: 5.0 mL, 5.0 mL, 5.0 mL

Step 2 — Reaction:

Step 3 — Moles calculation:
Moles of HCl =  mol

Moles of  =  mol

Step 4 — Concentration:

Answer: 50 mM

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