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Art [367]
1 year ago
12

What is the solubility of potassium chloride at 20 C?

Chemistry
1 answer:
Natali [406]1 year ago
4 0

The amount of potassium chloride in the solution is represented as 33.49 w/V. The metal halide salt potassium chloride (KCl, often known as potassium salt) is made up of both potassium and chlorine.

It has a vitreous crystal look and is odourless or colourless. The material easily dissolves in water, and the flavour of its solutions is similar to salt. In a homogenous mixture of two or more components, a solution is defined as having particles less than one nanometer in size. Solutions come in many forms, such as sugar and salt solutions, soda water, etc. potassium chloride and metals combine to form metal halides. Others are covalently bound, while others, like sodium chloride, are ionic.

The amount of KCL in 100 ml is 34.7/103.61*100 = 33.49gm.

Learn more about potassium chloride here

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The complete question is -

The solubility of potassium chloride at 20 ∘C is 34.7 g in 100 g of water. The density of the solution is 1.3 g mL −1. What is the w/V percentage of potassium chloride in the solution ?

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Answer : The properties which would be the same among isotopes of the same element are Flammability and Color

Explanation :

Isotopes are the elements that have same number of electrons and protons but they differ in number of neutrons.

The chemical properties of an element are determined by its valence electrons and since isotope have same number of electrons, they have similar chemical properties.

But isotopes have different number of neutrons. Neutrons are the subatomic particles which are present in the nucleus. They are charge less particles and they have mass. Therefore when the elements have different number of neutrons, their atomic masses differ.

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Let us discuss the given properties now

1) Flammability : Flammability in simple words means the ability of the substance to catch fire or the ability to burn. This is mainly dependent on the reactivity which is in turn dependent on the number of electrons.

Since the isotopes have same number of electrons, they show similar flammability.

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3) Melting point : Melting point is a physical property which is mainly dependent on the molecular weight of the substance. Since isotopes have different masses, they tend to show different melting points.

4) Color : The color of the element is mainly dependent on the arrangement of electrons around the nucleus. Isotopes have same number of electrons which means the arrangement would also be the same. Therefore the isotopes of the same element do not show different colors.

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