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Murljashka [212]
3 years ago
6

If a cube measures 2.2cm, what is its volume?

Biology
1 answer:
Setler79 [48]3 years ago
5 0

Answer:

the \: answer \: is \: 10.648cm {}^{3}

Explanation:

2.2cm is one side of the cube

so to get volume

(2.2cm)3

2.2cm×2.2cm×2.2cm

=10.648cm3

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What is the pH if 20 mL of pH = 2 solution is diluted to a final volume of 600 mL?
Mashutka [201]

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Hydrogen atoms contain 1 proton and 1 electron while being devoid of neutrons. When they lose their electron they form an ion or H+, a particle carrying a unit of positive charge.  pH measures how basic or acidic a water-based solutions are, with a formula for pH is

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# of dilutions= \frac{600}{20} = 30

for a pH 2= [H+]= 10^{=2}

∴ [H+]=  \frac{10^{-2}}{30} = 3.333 * 10^{-4}

and pH is an antilog of [H+]= - log \frac{10^{-2}}{30} = 3.333 * 10^{-4}

∴pH = 3.47

Learn more about pH at brainly.com/question/4981491

Learn more about pKA at brainly.com/question/11062486

#LearnWithBrainly

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3 years ago
Read 2 more answers
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