Explain the following terms i) saturated solution ii) pure substance iii) compound
Answers
Answer:
i) A solution that contains the maximum amount of solute that is capable of being dissolved.
ii) A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample.
iii) A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) composed of atoms from more than one element held together by chemical bonds.
Answer:
I)A saturated solution is a solution that contains the maximum amount of solute that is capable of being dissolved. At 20°C, the maximum amount of NaCl that will dissolve in 100. g of water is 36.0 g. ... When 40.0 g is added, 36.0 g dissolves and 4.0 g remains undissolved, forming a saturated solution.
ii)To a non-chemist, a pure substance is anything composed of a single type of material. In other words, it is free of contaminants. So, in addition to elements, compounds, and alloys, a pure substance might include honey, even though it consists of many different types of molecules.
iii) A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) composed of atoms from more than one element held together by chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound.
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