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A substance with a pH of 11 is what times more what than a substance with a pH of 8?
A pH of 11 is 1000x more alkaline than a pH of 8. The pH scale is a logarithmic scale. This means that in a pH scale, a change of one whole number represents a tenfold change in the pH. So a pH of 8 is 10x more alkaline than a pH of 7.
Which has the greater concentration of hydrogen ions a substance with a pH of 5 or a substance with a pH of 4?
A substance with a pH of 4 has a greater concentration of hydrogen ions compared to a substance with a pH of 5. The pH scale is logarithmic, so each decrease in pH by 1 represents a tenfold increase in hydrogen ion concentration.
What is the difference between the pH and pI values of a substance and how do they affect its properties?
The pH value of a substance indicates its acidity or basicity, while the pI value is the pH at which a molecule carries no net charge. The pH affects the solubility and reactivity of a substance, while the pI influences its stability and interactions with other molecules.
What is an acid and base?
An acid base indicator is a substance that changes colour due the PH of the medium in which it is dissolved.
What is a substance with a pH of 6?
The pH scale runs from 0 to 14. Pure water has a pH of 7, the half-way point of the pH scale. A pH between 0 and 7 indicates that a solution is acidic, and the lower the pH, the higher the acidity. A pH between 7 and 14 indicates that a substance is alkaline, and the higher the pH, the higher the strength of the alkali.
How alkalinity change with change with pH?
the higher the pH, the more alkaline the substance is. :)
What happens after dipping a substance into a pH solution?
When a substance is dipped into a pH solution, it will either change color due to a chemical reaction with the solution, or it may not show any visible change if the substance is neutral. This process helps determine the acidity or basicity of the substance based on the pH solution's color change.
PH method to determine a pH of a substance?
To determine the pH of a substance using the pH method, you will need a pH meter or pH strips. For a pH meter, simply immerse the electrode into the substance and wait for the reading to stabilize. For pH strips, dip the strip into the substance and compare the color change to the provided chart to determine the pH value.
Which property of a substance can be determined using a pH indicator?
The acidity or alkalinity of a substance can be determined using a pH indicator. pH indicators change color depending on the pH of a solution, allowing for the determination of whether the substance is acidic, neutral, or basic.
A substance with a pH of 11 is what times more what than a substance with a pH of 8?
A pH of 11 is 1000x more alkaline than a pH of 8. The pH scale is a logarithmic scale. This means that in a pH scale, a change of one whole number represents a tenfold change in the pH. So a pH of 8 is 10x more alkaline than a pH of 7.
You can find the pH of a substance by using?
using a pH meter or pH indicator strips, which change color depending on the acidity or alkalinity of the substance. Another method is using universal indicator solution that changes color at different pH levels, allowing you to estimate the pH of the substance based on the color observed.
What substance is like litmus that will change color in acids acids alkali?
This substance is called a pH indicator.
How can I perform an at-home pH test to check the acidity or alkalinity of a substance?
To perform an at-home pH test, you can use pH test strips or a pH meter. For test strips, simply dip them into the substance and compare the color change to a chart to determine the pH level. For a pH meter, follow the manufacturer's instructions to measure the pH of the substance accurately.
What do you call a substance which is used to show changes in pH by its change in color?
An indicator. It is a substance that changes color in response to a change in pH, making it a useful tool in chemistry to visually determine the acidity or basicity of a solution.
Does the amount of water in a cup effect its pH?
pH is the measure of the levels of acid or base in a substance. Increasing the amount of a substance will not change the pH so long as the existing substance and the added substance are chemically the same.
What property of a substance can be determined using a pH indicator?
The acidity or alkalinity of the substance can be determined using a pH indicator. pH indicators change color based on the pH of a solution, helping to identify if a substance is acidic, neutral, or alkaline.
If a substance tested 2 on the pH scale how many times more acidic than a substance that scored 6 on the pH scale?
A substance with a pH of 2 is 1000 times more acidic than a substance with a pH of 6. This is because each unit change on the pH scale represents a 10-fold change in acidity. So, the difference in pH of 4 units means a 10^4 or 10000-fold difference in acidity.
