3 years ago

How many oxygen atoms are in an ozone molecule?

Chemistry

1 answer:

Margaret [11]3 years ago

5 0

Molecular formula of Ozone is O3. Hence ozone molecule contains 3 oxygen atoms.

Hope this helps!

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The atomic number of an atom is always equal to the total number of

Basile [38]

C is correct. Have a good day!

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3 years ago

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1. A contour line represents a single equal elevation: that is, all points on the same contour line have the same elevation.

Lady bird [3.3K]

The answer is hard to give without any information.

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1 year ago

A buffer solution is composed of 1.00 mol of acid and 2.25 mol of the conjugate base. If the p K a of the acid is 4.90 , what is

Gemiola [76]

<u>Answer:</u> The pH of the buffer is 5.25

<u>Explanation:</u>

Let the volume of buffer solution be V

We know that:

$\text{Molarity}=\frac{\text{Moles of solute}}{\text{Volume of solution}}$

To calculate the pH of acidic buffer, we use the equation given by Henderson Hasselbalch:

$pH=pK_a+\log(\frac{[\text{conjugate base}]}{[acid]})$

We are given:

$pK_a$ = negative logarithm of acid dissociation constant of weak acid = 4.90

$[\text{conjugate base}]=\frac{2.25}{V}$

$[acid]=\frac{1.00}{V}$

pH = ?

Putting values in above equation, we get:

$pH=4.90+\log(\frac{2.25/V}{1.00/V})\\\\pH=5.25$

Hence, the pH of the buffer is 5.25

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3 years ago

What solid materials were dissolved in water?

Marat540 [252]

Explanation:

salt, sugar and coffee :)

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telo118 [61]

Answer:

<h2>Dead & Decaying Organisms</h2>

Explanation:

There are many inorganic components of soil, such as clay. However, soil is mainly comprised of dead and decaying organisms. For example, old, and decaying plants.

<em>PLEASE MARK BRAINLIEST</em>

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3 years ago