15 Questions
What is the pH value of an acid according to the pH scale?
Less than 7
In the pH scale, what pH value indicates a strong acid?
1
If a solution has a pH of 10, how would you classify it?
Base
What is the relationship between pH and the strength of an acid?
Lower pH indicates stronger acid
If a solution has a pH of 4, what can be said about its hydrogen ion concentration?
High concentration of hydrogen ions
What is the numerical range of the pH scale as established by Soren Peter Lauritz Sorensen?
0-6 for acids and 7-14 for bases
Which type of solution has an equal concentration of hydrogen and hydroxide ions?
Neutral solutions
What did Soren Peter Lauritz Sorensen invent to view and compare acidity and basicity in solutions?
A numerical scale known as pH
Which ion has a higher dissolved content in bases according to the text?
Hydroxide ion
Who is credited with coining the term 'pH'?
Soren Peter Lauritz Sorensen
What can be concluded about a solution with a pH of 12?
It is a strong base
If the pH of a solution is 4.50, what can be inferred about its hydronium ion concentration?
It is 10^-5 M
How can the hydronium ion concentration be calculated if the pH value is known?
By using the same equation in reverse
What does a pH value of 7 indicate about a solution?
It is neutral
Which exponent value is associated with a highly acidic solution's hydronium ion concentration?
-3
Learn about the history and origins of the pH equation, introduced by the Danish scientist Soren Peter Lauritz Sorensen in 1909. Understand how scientists advanced from simple color changes to a more informative way of measuring hydrogen ion concentrations in solutions.
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