Chemistry, 24.01.2020 04:31 kortetsosie4576
Consider the dissolution of an ionic salt in water. which of the following statements best explains why this process is considered a physical change?
(a) the ionic salt can be recovered by evaporation of the water.
(b) the ionic salt can be recovered by solidification of the water.
(c) dissolution of an ionic salt is mostly a physical change, and all physical changes are reversible.
(d) dissolution of an ionic salt is mostly a chemical change, and all chemical changes are reversible
Answers: 1
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Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
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Consider the dissolution of an ionic salt in water. which of the following statements best explains...
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