ElbertDesorcy ElbertDesorcy

03-06-2015
Chemistry

Answered

Which pH change represents a hundredfold increase in the concentration of H3O+?
(1) pH 5 to pH 7 (3) pH 3 to pH 1(2) pH 13 to pH 14 (4) pH 4 to pH 3

Answer :

lulu1991 lulu1991

03-06-2015

The answer is (3) pH 3 to pH 1. The pH is related to the concentration of H3O+ with the relationship: pH = -lg c(H+). So when concentration of H3O+ increase, the pH will decrease. And decrease 2 when when increase hundredfold. Because 100=10^2.

Answer Link

Other Questions

If (x 8) is a factor of f(x), which of the following must be true?

What is the first step when factoring the trinomial [tex]a x^2+b x+c[/tex]?A. List the factors of the constant term. B. Factor the simplified trinomial. C. Lo

Simplify the following expression:[tex]\[ \frac{a^2 - 3ab + 2b^2}{a^2 - 4b^2} - \frac{4ab^2}{4a^2b + 8ab} = \frac{a - b}{a + b} \][/tex]

How to find the kinetic energy increment when only the force and displacement is given?

Perform the calculation and round to the correct number of decimal places.[tex]\[ \begin{array}{r} 10036.0 \\ +\quad 1.245 \\ \hline \end{array} \][/tex]When ad

A triangle on a coordinate plane is translated according to the rule [tex]T_{-8,4}(x, y)[/tex]. Which is another way to write this rule?A. [tex](x, y) \rightarr

If two cards are drawn without replacement from an ordinary deck, find the probability of an ace and a 5 being drawn.The probability of an ace and a 5 being dra

Which story is the best example of a satire?A. A story in which a character refuses to throw away a broken pen and uses it despite its limitations, where the pe

Which are real zeros of this function?[tex]\[ x^3 + 2x^2 - 9x - 18 \][/tex]A. [tex]\(1, 2, 3\)[/tex] B. [tex]\(3, -3, 2\)[/tex] C. [tex]\(2, 3, -6\)[/tex] D.

Lee la siguiente situación y resuelve como se indica.Alfredo y Elisa son amigos desde primer grado de primaria, por lo que son muy unidos y siempre trabajan en

a museum has 50 pieces of art to display in an exhibit. of these, 11 are photos and 39 are color paintings. the manager wants to add more photos so they repre

Please help me answer this question

IN THE 1900 HOW WERE THE US SENATE CHOSEN

identify the property that justifies each statement. 1. m=n, so n=m. 2.

What is 0.234 as a percent

in many cells, the structure that controls the cell's activities is the

Part a: If the diameter of a wheel is 1 yard, then it's radius is how many inches? Part b: write a statement telling how u know your solution to A is correct.

The temperature for the past 8 hours has been changing at the rate of-1.5 degrees each hour. The meteorologist predicts that the temperature will continue chang

How did glaciers change the land of the northeast region?

how do you say good morning in french?Is it still bonjour or something different?thank u!