Test your understanding of titrations.
Write a balanced equation for the neutralization of aqueous strontium hydroxide with aqueous hydrochloric acid.
A chemist finds a strontium hydroxide solution in lab, but the concentration of this solution is not labeled. A 25.00 mL sample of strontium hydroxide solution is placed in a flask. It takes the addition of 30.00 mL of 0.2695 M HCl to reach the equivalence point. What is the molarity of the strontium hydroxide solution?
[0.1617 M]
What is the molarity of aqueous H+ ions in the 0.2695 M HCl solution used in this titration? (Note-Ââ Aqueous H+ ions are also known as H3O+ ions)
[0.2695 M]
You will learn more about pH later in the semester. It is a measure of the acidity or basicity of a substance. If pH = -Ââlog [H+] or -Ââlog[H3O+], what is the pH of the
aqueous HCl solution?
[pH = 0.5694]
Test your understanding of titrations.
Write a balanced equation for the neutralization of aqueous strontium hydroxide with aqueous hydrochloric acid.
A chemist finds a strontium hydroxide solution in lab, but the concentration of this solution is not labeled. A 25.00 mL sample of strontium hydroxide solution is placed in a flask. It takes the addition of 30.00 mL of 0.2695 M HCl to reach the equivalence point. What is the molarity of the strontium hydroxide solution?
[0.1617 M]
What is the molarity of aqueous H+ ions in the 0.2695 M HCl solution used in this titration? (Note-Ââ Aqueous H+ ions are also known as H3O+ ions)
[0.2695 M]
You will learn more about pH later in the semester. It is a measure of the acidity or basicity of a substance. If pH = -Ââlog [H+] or -Ââlog[H3O+], what is the pH of the
| aqueous HCl solution? | [pH = 0.5694] |
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Related questions
1. At the freezing point of water (0∘C), Kw=1.2×10−15. Calculate [H+] and [OH−] for a neutral solution at this temperature.
2. Which solution below has the highest concentration of hydroxide ions?
| pH = 6.0 | |
| pH = 7.6 | |
| pH = 4.5 | |
| pH = 9.2 | |
| pH = 12.4 |
3. Which solution below has the highest concentration of hydronium ions?
| pH = 6.5 | |
| pH = 13.5 | |
| pH = 9.9 | |
| pH = 3.1 | |
| pH = 7.7 |
4. An aqueous solution at 25.0°C contains [H+] = 0.085 M. What is the pH of the solution?
| 1.2 x 10-13 | |
| 1.07 | |
| 13.0 | |
| -1.0 | |
| 0.0850 |
5. The pH of an aqueous solution at 25.0 °C is 10.40. What is the molarity of H+ in this solution?
| 1.0 x 10-13 | |
| 4.0 x 10-11 | |
| 2.5 x 1010 | |
| 3.60 | |
| 2.5 x 10-4 |
