What type of change occurs as salt dissolves in water?
a)phase change
b)element change
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Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z
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The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?
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You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning
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