1- What is the pH of an aqueous solution of 4.6910 -3 M hydr…

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) 
This solution is_________ acidic, basic, neutral

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