ph calculations

For chemistry help, visit www.chemfiesta.com © 2000 Cavalcade Publishing – All Rights Reserved pH Calculations Find the pH of the following acidic solutions: 1) A 0.001 M solution of HCl (hydrochloric acid). 2) A 0.09 M solution of HBr (hydrobromic acid). 3) A 1.34 x 10 -4 M solution of hydrochloric acid. 4) A 2.234 x 10 -6 M solution of HI (hydroiodic acid). 5) A 7.98 x 10 -2 M solution of HNO 3 (nitric acid). 6) 12 L of a solution containing 1 mole of hydrochloric acid. 7) 735 L of a solution containing 0.34 moles of nitric acid. 8) 1098 L of a solution containing 8.543 moles of hydrobromic acid. 9) 660 L of a solution containing .0074 moles of hydrochloric acid. 10) 120 mL of a solution containing 0.005 grams of hydrochloric acid.

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pH Calculations Find the pH of the following acidic solutions: 1) A 0.001 M solution of HCl (hydrochloric acid). 2) A 0.09 M solution of HBr (hydrobromic acid). 3) A 1.34 x 10-4 M solution of hydrochloric acid. 4) A 2.234 x 10-6 M solution of HI (hydroiodic acid). 5) A 7.98 x 10-2 M solution of HNO3 (nitric acid). 6) 12 L of a solution containing 1 mole of hydrochloric acid. 7) 735 L of a solution containing 0.34 moles of nitric acid. 8) 1098 L of a solution containing 8.543 moles of hydrobromic acid. 9) 660 L of a solution containing .0074 moles of hydrochloric acid. 10) 120 mL of a solution containing 0.005 grams of hydrochloric acid.

11) 1.2 L of a solution containing 5.0 x 10-4 grams of hydrobromic acid. 12) 2.3 L of a solution containing 4.5 grams of nitric acid. 13) 792 mL of a solution containing 0.344 grams of hydrochloric acid. 14) 100 mL of a solution containing 1.00 grams of nitric acid. 15) 8.7 L of a solution containing 1.1 grams of nitric acid. 16) 1.5 L of a solution containing 5.6 grams of hydroiodic acid. 17) 10.7 L of a solution containing 0.01 grams of hydrochloric acid. 18) 8,000 L of a solution containing 6.7 grams of nitric acid and 4.5 grams of

hydrochloric acid. 19) 150,000 L of a solution containing 45 grams of nitric acid and 998 grams

of hydrobromic acid. 20) 50 L of a solution containing 0.09 grams of HCl, 0.9 grams of HBr, 9.0

grams of HI, and 90.0 grams of HNO3.

pH Calculations – Answer Key 1) A 0.001 M solution of HCl (hydrochloric acid). 3.00 2) A 0.09 M solution of HBr (hydrobromic acid). 1.05 3) A 1.34 x 10-4 M solution of hydrochloric acid. 3.87 4) A 2.234 x 10-6 M solution of HI (hydroiodic acid). 5.65 5) A 7.98 x 10-2 M solution of HNO3 (nitric acid). 1.10 6) A solution containing 1 mole of hydrochloric acid in 12 L of water. 1.08 7) A solution containing 0.34 moles of nitric acid in 735 L of water. 3.33 8) A solution containing 8.543 moles of hydrobromic acid in 1098 L of water. 2.11 9) A solution containing .0074 moles of hydrochloric acid in 660 L of water. 4.95 10) A solution containing 0.005 grams of hydrochloric acid in 120 mL of water. 3.64 11) A solution containing 5.0 x 10-4 grams of hydrobromic acid in 1.2 liters of water.

5.28 12) A solution containing 4.5 grams of nitric acid in 2.3 liters of water. 1.51 13) A solution containing 0.344 grams of hydrochloric acid in 792 mL of water. 1.92 14) A solution containing 1.00 grams of nitric acid in 100 mL of water. 0.80 15) A solution containing 1.1 grams of nitric acid in 8.7 liters of water. 2.70 16) A solution containing 5.6 grams of hydroiodic acid in 1.5 liters of water. 1.53 17) A solution containing 0.01 grams of hydrochloric acid in 10.7 liters of water. 4.59 18) A solution containing 6.7 grams of nitric acid and 4.5 grams of hydrochloric acid

in 8,000 mL of water. 1.54 19) A solution containing 45 grams of nitric acid and 998 grams of hydrobromic acid

in 150,000 L of water. 4.06 20) A solution containing 0.09 grams of HCl, 0.9 grams of HBr, 9.0 grams of HI, and

90.0 grams of HNO3 in fifty liters of water. 1.52

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