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fredd [130]
3 years ago
12

What is different about the position of that letter if an acid starts with a C?

Chemistry
1 answer:
ladessa [460]3 years ago
8 0

Answer:

i think it's will difference from compund to compund

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Suppose that a substance in a beaker is heated over a burner in a science lab. Which observation would most likely indicate that
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If the substance is a liquid or solid, production of an odor would indicate a chemical change.

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What happens to the electronegativity as you go from Lithium to Francium?<br> Why?
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Electronegativity in group 1 decreases as we go from Lithium to Francium.

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The addition of perchloric acid to pure water causes the conductivity to _________.
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Adding perchloric acid to water would cause it's conductivity to increase.
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2 years ago
A chemist dissolves 249.mg of pure perchloric acid in enough water to make up 380.mL of solution. Calculate the pH of the soluti
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pH = 2.18

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Perchloric acid (HClO₄) is a strong acid. This means that in an aqueous solution it completely dissociates into H⁺ and ClO₄⁻ species.

First we <u>convert 249 mg HClO₄ into moles</u>, using its <em>molecular weight</em>:

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<em>Because it is a strong acid</em>, 2.49 mmol HClO₄ = 2.49 mmol H⁺

We <u>calculate the molar concentration of H⁺</u>:

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Finally we <u>calculate the pH of the solution</u>:

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2 years ago
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