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Vika [28.1K]
3 years ago
6

Where are atoms that tend to gain electrons located in the periodic table of the elements? A. on the left side B. on the right s

ide C. in the middle columns D. starting on the fourth row
Chemistry
1 answer:
UNO [17]3 years ago
3 0
They are located on the right side.
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bagirrra123 [75]

a. pH=2.07

b. pH=3

c. pH=8

<h3>Further explanation</h3>

pH=-log [H⁺]

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\tt [H^+]=\sqrt{Ka.M}\\\\(H^+]=\sqrt{7.2.10^{-4}\times 0.1}\\\\(H^+]=8.5\times 10^{-3}\\\\pH=3-log~8.5=2.07

b) 1 x 10⁻³ M HNO₃

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