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erastova [34]
3 years ago
11

The equation for the pH of a substance is pH = -log[H'], where H+ is the concentration of hydrogen ions. A basic

Mathematics
2 answers:
Oksanka [162]3 years ago
8 0

Answer:

it's b.

Step-by-step explanation:

scoundrel [369]3 years ago
7 0

Answer:

9 (approximately)

Step-by-step explanation:

Approximate difference

= pH of basic solution - pH of acidic solution

= 11.2 - 2.4

= 8.8

= 9 (approximately)

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The quotient of a secret number and 4 is 9
Anna [14]
Let's call the 'secret number' <em>x</em>.

A quotient is basically a Dividend/Divisor. If the Divisor is 4, we need to find the dividend, which is <em>x</em>.

<em />Therefore:
<em>x/4=9
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<em>x=36</em>.

As a result, the "secret number" is 36
4 0
3 years ago
A box contains 146 marbles which are either red or blue. there are 28 more blue marbles than red marbles. how many blue marbles
rusak2 [61]
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liraira [26]

Answer:

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5 0
3 years ago
Is y=5x-25 proportional
Vinvika [58]
It is proportional because we increase y.
3 0
3 years ago
The scale on a map is 1 in. : 50 mi. The actual distance between the two cities is 350 miles. What is the distance between the c
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Hope this helped!!!!!!!!!!!!
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