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calculista

Answer:

Option A. neutral

Explanation:

we know that

The pH is a number that describe the concentration of hydrogen ions in the solution. A solution's pH will be a number between 0 and 14.

A solution with a pH of 7 is classified as neutral.  \((pH=7)\)

If the pH is lower than 7, the solution is acidic.  \((pH < 7)\)

If the  pH is higher than 7, the solution is basic.  \((pH > 7)\)

In this problem we have a solution that has a pH=7

therefore

The solution is classified as neutral

Answer: The correct answer is Option A.

Explanation:

pH is defined as the negative logarithm of hydrogen ion concentration present in the solution.

Mathematically,

\(pH=-\log [H^+]\)

  • If the solution has high hydrogen ion concentration, then the pH will be low and the solution will be acidic. The pH range of acidic solution is 0 to 6.9
  • If the solution has low hydrogen ion concentration, then the pH will be high and the solution will be basic. The pH range of basic solution is 7.1 to 14
  • The solution having pH equal to 7 is termed as neutral solution.

Hence, the correct answer is Option A.

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