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# Is there a negative answer on logarithm?

Updated: 11/2/2022

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14y ago

Logarithms of numbers less than one are negative. For example, the logarithm of 1/2 will be negative.

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14y ago

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Q: Is there a negative answer on logarithm?
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no

### How do you calculate - log 0.5?

The logarithm of a number less than 1 is negative. Therefore, -log 0.5 is the negative logarithm of 0.5 which is equal to -0.301.

### What the PH?

negative logarithm of hydrogen ion concentration

### What is the logarithm of -1?

Negative numbers don't have logarithms.

### What is a negative logarithm?

A logarithm of a reciprocal. For example, log(1/7) or log(7-1) = -log(7)

### What is the pH of an aqueous solution with a H plus concentration of 1 X 10-3 M?

3: The negative of the logarithm (base 10) of the concentration. The logarithm of 1 is 0 and the logarithm of 10-3 is -3; the logarithm of their product is the sum of their individual logarithms, -3 in this instance, and the negative of -3 is +3.

### Is it possible for a logarithm to equal a negative number?

Yes. The logarithm of 1 is zero; the logarithm of any number less than one is negative. For example, in base 10, log(0.1) = -1, log(0.01) = -2, log(0.001) = -3, etc.

### What is the logarithm L of a number x if 0 is greater than x?

Within the real numbers, the logarithm of negative numbers is not defined.

### How do you find a logarithm from a table?

You look the number up in a table.Example:Find the logarithm of 511From a table I see that numbers are only listed from 1.00 to 9.99I look up 5.11 and know that I have to multiply that by 100 or 102 to get my original value, which is equivalent to adding 2 to the table value.The table gives me 0.7084209 for the logarithm for 5.11The logarithm of 511 is thus 2.7084209For numbers less than 1 the logarithm will be negative!Negative numbers do have logarithms!

### What are characteristics of pH?

pH is the negative logarithm of the hydrogen ion activity in a solution.

### What value is ued to express the acidity or bacity of a solution called?

The acidity or basicity are expressed by pH (the negative logarithm of the activity of hydronium ion).

### Is the pH of solution is the negative logarithm of its hydroxide ion concentration?

No, the pH is the negative logarithim to base 10 of the Hydrogen Ion concentration.