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Ad libitum [116K]
2 years ago
13

When the fish tank water has a ph of 8 the hydronium ion concentration

SAT
1 answer:
shusha [124]2 years ago
7 0

When the PH is 7.0, the hydronium Ion Concentration is gotten as; [H3O+] = 1 × 10^(-7) M

<h3>How to find the Concentration of an Ion? </h3>

The formula to find the pH of an Ion concentration is;

pH = - log [H3O+]

where;

[H3O+] is the molar concentration of hydronium ion.

We are told that the pH is 8.0. Thus;

8.0 = - log [H3O+]

10^(-8) = [H3O+]

[H3O+] = 1 × 10^(-8) M

Thus, when pH = 7.0, we have;

7.0 = - log [H3O+]

[H3O+] = 1 × 10^(-7) M

Complete question is;

When the fish-tank water has a pH of 8.0, the hydronium ion concentration is 1.0 × 10-8 mole per liter. What is the hydronium ion concentration when the water has a pH of 7.0?

Read more about Ion Concentration at; brainly.com/question/3997048

#SPJ1

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The portfolio margin requirement is mathematically given as

M = 15,000

This is further explained below.

<h3> What is the portfolio margin requirement?</h3>

Generally, the equation for  Margin requirement is mathematically given as

M= 15% of 100,000

Therefore

M = 15,000

In conclusion,  The portfolio margin requirement is mathematically given as

M = 15,000

Read more about  portfolio margin

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6 0
2 years ago
Meghan's team is comprised of 10 people who work 40 hours per week.
Degger [83]

Answer:

minimum of 7.5 extra team members working at 40 hours per week

or 7 extra members and add 2.35 hours to each team member

Explanation:

10 = 400 hours,

the difference to get to 700 hours is 300

300/40 = 17.5

can't have half a person so that one person's work = 40 hours

40/17=2.35 hours to each team member to make up for the one person

7 0
3 years ago
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Answer:

<h2>What???</h2>

Explanation:

<h2>I don't understand your question</h2>
8 0
3 years ago
What civilization relied heavily on hunting and fishing together food.
zlopas [31]

Answer: Algonquian

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7 0
2 years ago
All atoms of the same element must have the same number of
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The answer is A. Protons.
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