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A student places 50.0 mL of 0.630 M HNO2 in a 250mL Erlenmeyer flask and adds...

A student places 50.0 mL of 0.630 M HNO2 in a 250mL Erlenmeyer flask and adds indicator. After 35.0 mL of 1.014 M standardized NaOH is added, what is the pH of the solution.

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given that a - Solution: Volume of HHOZ (V.)- 50m) Mi = [hing? 0.630M M2= [Maon] 1.014M Volume of Naoh Solution (12) - 35.0mlin the reaction Naon + HNO2 Nang ttho at tza mmoles 35.49 31.5 at t time 35.49-31.50 31.5-31.50 - 3.99 -O mmoles 3.99 3.93 mo

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