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3 years ago

Calculate the pH of a solution with a [H 3 O + ]=5.6x10 -9 M.

Chemistry

1 answer:

Gre4nikov [31]3 years ago

6 0

Answer:

8.3

Explanation:

pH is the measure of the H+ or H30 (they r the same thing) ions in a solution. it is equal to -log[H+]. [H+]= Molar concentration of H+ ions.

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At standard temperature and pressure. 0.500 mole of xenon gas occupies

ANEK [815]

Answer:

0.500 mole of Xe (g) occupies 11.2 L at STP.

General Formulas and Concepts:

Gas Laws

STP (Standard Conditions for Temperature and Pressure) = 22.4 L per mole at 1 atm, 273 K

Stoichiometry

Mole ratio
Dimensional Analysis

Explanation:

Step 1: Define

Identify.

0.500 mole Xe (g)

Step 2: Convert

[DA] Set up: $\displaystyle 0.500 \ \text{mole Xe} \bigg( \frac{22.4 \ \text{L Xe}}{1 \ \text{mole Xe}} \bigg)$
[DA] Evaluate: $\displaystyle 0.500 \ \text{mole Xe} \bigg( \frac{22.4 \ \text{L Xe}}{1 \ \text{mole Xe}} \bigg) = 11.2 \ \text{L Xe}$

Topic: AP Chemistry

Unit: Stoichiometry

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2 years ago

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Answer:

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Explanation:

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2 years ago

Which letter corresponds with the location of f orbitals on the periodic table?

Lerok [7]

Answer:

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Explanation:

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3 years ago

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lukranit [14]

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2 years ago

Explain the change in mass that occurs when the following substances are separately heated in open crucibles

aleksandrvk [35]

Answer:

your answer is (a) Copper Metal

Explanation:

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3 years ago