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2 years ago

Acidity is a measure of the amount of dissolved hydroxide ions in a solution.

Chemistry

1 answer:

Gekata [30.6K]2 years ago

4 0

The concentration of hydrogen ions in a solution is a measure of its acidity. So the correct option is (b) false.

When an Arrhenius acid is dissolved in water, hydrogen ions are produced:

H+(aq) + A- = HA + H2O (aq)

Here, H+ is the hydrogen cation, A- is the solvated anion, also known as the conjugate base, and HA is the non-dissociated acid. When an Arrhenius base is dissolved in water, hydroxide ions are produced:

BOH + H2O → B+(aq) + OH-(aq)

Is a material with at least one hydrogen atom that has the ability to split apart in an aqueous solution to produce an anion and an H + ion (a proton), creating an acidic solution. Bases are substances that, when dissolved in water, create hydroxide ions (OH) and a cation, resulting in a basic solution.

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I GIVE MORE POINTS WHO ANSWER THIS QUESTION. Which option describes a wavelength of light? (1 point) O a distance between two si

Mkey [24]

Answer:

It's the first option. A distance between two similar points on a wave of light.

Explanation:

On a wavelength chart, where you measure the rate at which the light travels at its distance from the source. You have two points to compare to.

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3 years ago

Chandra wants to know how many moles are contained in 150.0 g ccl4 (carbon tetrachloride). what quantity of ccl4 should she use

Fynjy0 [20]

The quantity of carbon tetrachloride, CCl₄ she will use to make her conversion is molar mass

<h3>Description of mole </h3>

The mole of a substance is related to it's mass and molar mass according to the following equation:

Mole = mass / molar mass

<h3>How to determine the mole of CCl₄</h3>

Mass of CCl₄ = 30 g
Molar mass of CCl₄ = 12 + (35.5×4) = 154 g/mol
Mole of CCl₄ =?

Mole = mass / molar mass

Mole of CCl₄ = 150 / 154

Mole of CCl₄ = 0.974 mole

Thus, we can see that the molar mass of CCl₄ is needed to obtain the number of mole.

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2 years ago

When a liquid is heated the average what? Of energy of its particles will increase

weeeeeb [17]

When a substance is heated, it gains thermal energy. Therefore, its particles move faster and its temperature rises.

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3 years ago

How reactive is an atom of Sodium(Na) and why?

s344n2d4d5 [400]

3rd one:
it is very reactive because it does not have a full Valence shell.

this is because it's in group 1 so it has one electron in its outer shell, and it wants to have a full outer shell ( which it can gain by losing the electron in a reaction).

Hope this helps :)

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3 years ago

Why do different isotopes of an element generally have the same physical and chemical properties?

tresset_1 [31]

Answer:

The correct answer is because they have same number of protons but different number of neutrons.

Explanation:

Isotopes are atoms of the same element but differ only in the number of neutrons in the nucleus, i.e. they have same atomic number but different mass number.

Mass number is affected as they have different number of neutrons, thus effecting their physical properties.

The number of electrons and protons are same, i.e. their atomic number is same and thus their chemical properties are same as chemical properties are determined by the atom’s electronic configuration and that relates to number of protons.

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4 years ago