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GREYUIT [131]
3 years ago
6

If you have 0.045 L of 0.465 M potassium bromide. How many moles of potassium bromide are present?

Chemistry
1 answer:
Mekhanik [1.2K]3 years ago
7 0
The answer to your question is letter A! Hope that helps
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Find the [H+] in an acetic acid solution that has a pH of 5.12
Eva8 [605]
<span>Data:
pH = 5.2
[H+] = ?

Knowing that: (</span><span>Equation to find the pH of a solution)</span>
pH = -log[H+]
<span>
Solving:
</span>pH = -log[H+]
5.2 = - log [H+]
Knowing that the exponential is the opposite operation of the logarithm, then we have:
[H+] = 10^{-5.2}
\boxed{\boxed{[H+] = 6.30*10^{-6}}}\end{array}}\qquad\quad\checkmark
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3 years ago
A t-test is suitable for
blagie [28]

Answer:

Explanation:

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7 0
3 years ago
How many moles are in 22 grams of argon
Strike441 [17]
<span>number of moles are the amount of substance of an element .
number of moles can be calculated as follows;
number of moles = mass present / molar mass of element
molar mass of Ar - 40 g/mol
number of moles of Ar = 22 g / 40 g/mol = 0.55 mol .
there are 0.55 mol of Ar</span>
6 0
3 years ago
Read 2 more answers
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