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svet-max [94.6K]
3 years ago
15

Where are coefficients located

Chemistry
2 answers:
iVinArrow [24]3 years ago
7 0
A coefficient is the number that comes before a variable in a term. Examples include...

4x
5b
17y

Pavlova-9 [17]3 years ago
4 0
A coefficient comes before the variable. For example, in 5x, the number 5 is the coefficient because it appears before the variable.
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how many H+ ions are in a solution with a pH of 2 and how many H+ ions are in a solution with a pH of 6?
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Answer:

i) pH = 2

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ii) pH = 6

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Explanation:

By definition: pH = -log(H+).

Given your pH, solve for the H+ using the the following log rule:

if a = (+/-) log (b) then

b = 10^((+/-) a).

Also remember unit of concentration is molar (M)

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andre [41]
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ella [17]

Answer:

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3 years ago
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