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sasho [114]
3 years ago
5

A sample of juice has a pH of 4.2. Whsat is the concentration in mol/dm3 of OH in the juice?​

Chemistry
1 answer:
Annette [7]3 years ago
6 0

Answer:

6 * 10^-4M

Explanation:

use this equation

[ H + ]  =  10  −  pH

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The number of H atoms in 3(NH₄)₂CrO₄ = 24

<h3>Further explanation  </h3>

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(empirical formula) n = molecular formula  

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Determination of the amount of patassium hydroxide in patassium hydroxide/Sodium carbonate mixture
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Explanation:

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4 years ago
How many molecules are in 4.62 moles of nitric acid (HNO3)?
Lena [83]

Answer:

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To convert moles to molecules, multiply the number of moles by Avagadro's number (6.02x10^23. Round if required.

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6 0
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The two boron atoms listed in the table are isotopes of the boron. The two carbon atoms and the two oxygen atoms are also called
Ivan

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