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QUESTION

1- What is the pH of an aqueous solution of 4.6910 -3 M hydrobromic acid ? pH =-------- 2- What is the pH of an aqueous solution of 6.8610 -3 M

1- 4.69×10-3hydrobromic acid

pH = --------

2- 6.86×10-3potassium hydroxide

pH = -----

3- The pH of an aqueous solution of 0.332 M hydrocyanic acid is --------

4- 0.332trimethylamine (a weak base with the formula (CH3)3N) 

0.124potassiumfluorideKF

This solution is_________ acidic, basic, neutral

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