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belka [17]
3 years ago
12

According to the graph, which of the following substances is least soluble in 100 grams of water at 50°C?

Chemistry
2 answers:
UkoKoshka [18]3 years ago
7 0

Answer:

2

Explanation:

Snowcat [4.5K]3 years ago
4 0

Answer:2) NaCl

Explanation:

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Out of three, protons and neutrons are present in the nucleus of the atom.

Nucleus is the central part of the atom possessing most of the mass of the atom. In the nucleus, protons and neutrons are tightly packed with the help of nuclear force.

Electrons are present around the nucleus also called electron cloud.

Therefore, nucleus are composed of protons and neutrons which packed tightly into central core of the atom

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