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Svetlanka [38]
3 years ago
14

What is the pH of pure water? 2.0 5.0 7.0 12.0

Chemistry
1 answer:
stealth61 [152]3 years ago
7 0
7.0 this is the correct answer
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Lapatulllka [165]

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Explanation:

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3 years ago
Find [cu2+] in a solution saturated with cu4(oh)6(so4) if [oh − ] is fixed at 2.3 ✕ 10−6 m. note that cu4(oh)6(so4) gives 1 mol
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<span>

</span>Cu_4(OH)_6(SO_4)
<span>
You have OH-  conc = </span>2.3 ✕ 10−6 m
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So, for 2.3 ✕ 10−6 m OH-
[Cu2+] = \frac{2}{3} \times 2.3 \times 10^{-6}

= 1.53  \times 10^{-6} &#10;

6 0
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