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What is the pH of 150000 L of a solution containing 45 grams of nitric acid and 998 grams of hydrobromic acid?
Wiki User
∙ 8y ago
Nitric acid and hydrobromic acid are both "strong acids", so you can treat them as dissociated completely, especially at such a low concentration.
Let's do some calculations and find out what the pH is.
998 grams of HBr (80.91 g/mol) is 12.3 moles.
45 grams of HNO3 (63.01 g/mol) is 0.71 moles.
So total that's 13.0 moles of acid. Divided by 150000 L, that's 8.7x10-5 molar, so the pH will be the negative log of that, or about 4.
Wiki User
∙ 8y ago
Wiki User
∙ 8y agoSo infinitesimally close to 7 you couldn't measure it. 150,000 liters of water is enough to fill a round swimming pool 25 feet in diameter and 10 feet deep.
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