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No, it is false. A ten-fold dilution of an acid will INCREASE the pH by 1 unit. Remember pH is 0-14 where 0 is most acidic. Diluting ten-fold on a logarithmic scale will increase the pH.

Conversely, a ten-fold dilution of an alkali/base will increase the pH by 1 unit.

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How does diluting an acidic or basic solution affect the pH of the solution?

It depends on the pH of the dilutant. if the dilution substance is base the acidic solution will become less acidic moving toward neutral pH, the more it is diluted the less acidic it will become. A base solution will remain base or about 7 pH


When the acidic solution is added to the basic solution what happens to the pH does it increase decrease or stays the same?

When an acidic solution is added to a basic solution, the pH will decrease. This is because the addition of the acidic solution will neutralize some of the hydroxide ions in the basic solution, resulting in a decrease in pH.


What does an increase 1 pH number represent?

A decrease in hydrogen ion concentration by factor of 10


What is the increase in acidity associated with a decrease of one unit on the pH scale?

A decrease of one unit on the pH scale represents a tenfold increase in acidity. This is because the pH scale is logarithmic, meaning each whole number change reflects a tenfold change in hydrogen ion concentration. For example, a solution with a pH of 5 is ten times more acidic than one with a pH of 6.


Is a solution with a pH of 2 twice or half as acidic as a pH of 1?

A solution with a pH of 2 is ten times less acidic than a solution with a pH of 1, not half as acidic. pH is a logarithmic scale, so each unit change represents a tenfold difference in the concentration of hydrogen ions.


As an acidic solution is added to a basic solution the pH of the basic solution decreases?

Yes, as an acidic solution is added to a basic solution, the pH of the basic solution will decrease because the acidic solution introduces more H+ ions, thereby shifting the pH of the combined solution towards a more acidic value.


Is a solution with pH6 twice as acidic as one with pH3?

No, a solution with a pH of 3 is 1000 times more acidic than a solution with a pH of 6. The lower the pH, the more acidic the solution and pH is determined by a logarithm, so each time pH is decreased by 1 the acidity increases tenfold.


PH of 4 than a solution with a pH of 5?

a pH of 4 is most acidic than a solution with a pH of 5. In general, the lower the pH, the more acidic the solution is.


If the pH of a solution is increased from pH 5 to pH 7 what does this mean?

it went from being an acid to being neutral The H+ concentration decreased 100x The OH- concentration increased 100x


How many times more acidic is a solution of pH 1 than a solution of pH 3?

A solution with pH 1 is 100 times more acidic than a solution with pH 3. This is because pH is a logarithmic scale, where each unit change represents a tenfold difference in hydrogen ion concentration.


When some aci is added to a solution of an alkali will the pH value of the solution increase or decrease explain?

When an acid is added to a solution of an alkali, the pH of the solution will decrease. This is because the acid will increase the concentration of hydrogen ions, leading to a more acidic solution.


Which sulphide is completely precipitated only when the acidic solution is made dilute?

Lead(II) sulfide (PbS) is completely precipitated only when the acidic solution is made dilute. This is because lead(II) sulfide is less soluble in acidic solutions, and dilution helps to increase the supersaturation of the solution, leading to the precipitation of lead(II) sulfide.