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How do you find the pH of two solutions mixed together?

How do you find the pH of two solutions mixed together?

pH is a measure of concentration. If you mix two equal volumes of different concentration, the answer is the combined amount in the double volume. The first solution with pH 2.0 has 10^-2 = 0.01 mol of H+. The second solution has 10^-2.1 = 0.00794 mol of H+.

How many times a solution of pH 1 will be stronger than that of a solution having pH 2?

pH is a logarithmic scale. A solution that has a pH of 1.0 has 10 times the [H +] as a solution with a pH of 2.0, which in turn has 10 times the [H +] as a solution with a pH of 3.0 and so forth.

How many times stronger is a pH of 10 than a pH of 8?

For example, pH 10 is ten times more alkaline than pH 9 and 100 times (10 times 10) more alkaline than pH 8. Pure water is neutral.

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Does pH change by a factor of 10?

The pH scale ranges from 0 to 14. The pH of a solution is a measure of its acidity or alkalinity (base). A change of one unit on the pH scale represents a change in the concentration of hydrogen ions by a factor of 10, a change in two units represents a change in the concentration of hydrogen ions by a factor of 100.

Can you add pH together?

With an H+ concentration of 10^-4, your pH1 (before addition of water) would be 4. When you add the water, you add 0.3 to the pH, making the new pH 4.3. The diluted pH is higher because water is neutral with a pH of 7, so unless the water causes a reaction, adding water will always bring the pH closer to 7.

How many times more basic is a pH of 12 compared to a pH of 8?

How many times more basic is a pH of 12 compared to a pH of 8? Explain the difference between a pH of 8 and a pH of 12 in terms of H+ concentration. The H+ concentration of a pH 12 is 104 times greater than that of a pH of 8.

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How much more acidic is a solution with a pH of 10 than a pH of 8?

A solution with a pH of 10 is 100 times more basic than a solution with pH 8.

What is the pH of a solution that is 10 times more acidic than solution with a pH 4?

The lower a substance’s pH, the more acidic it is. Each whole pH value below 7 (the neutral point) is ten times more acidic than the next higher value. For example, a pH of 4 is ten times more acidic than a pH of 5 and 100 times (10 times 10) more acidic than a pH of 6.

Why pH scale is up to 14 only?

However, in reality, most solutions you would find in a standard laboratory have a pH value between 0-14. This is because, in order to reach pH levels below 0 or above 14, one would require extraordinarily acidic or basic solutions, respectively.

How do I calculate pH?

To calculate the pH of an aqueous solution you need to know the concentration of the hydronium ion in moles per liter (molarity). The pH is then calculated using the expression: pH = – log [H3O+].

What happens when you mix two solutions with different pH values?

Remember, also, that a difference in pH of 1 unit=a 10-fold diluted solution. By mixing two solutions of differing pH values, the final pH of the mixed solution is going to be a function of the pH-, or the hydrogen ion (H+), of the lower pH solution, and the final volume.

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What is the difference between pH 8 and pH 10?

For example, pH 10 is ten times more alkaline than pH 9 and 100 times (10 times 10) more alkaline than pH 8. Pure water is neutral. But when chemicals are mixed with water, the mixture can become either acidic or basic.

How do you calculate the pH of a solution of acid?

Example #1: Calculate the pH of a solution obtained by mixing 100. mL of an acid of pH = 3.00 and 400. mL solution of pH = 1.00. 1) Determine total moles of H + in solution: 0.040 mol + 0.00010 mol = 0.0401 mol Note: we ignore the H + contribution from water. 2) Determine the [H +] of the combined solution: 3) Determine the new pH:

What is the H + contribution for pH 7 water?

Note that the H + contribution for the pH = 7 water is ignored. Example #4: Add 5.0 mL of a solution at pH = 6.0 to 5.0 mL of a solution at pH = 10.0. What is the final pH?