Students are investigating solutions. Their lab procedure instructs them to mix salt and water which results in a clear liquid. they place the resulting clear liquid in an evaporating dish. after a week they observe that there are only crystals left on the inside of the evaporating dish. The original solution before evaporation is most likely a/an
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Chemistry, 22.06.2019 16:00
The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride
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Chemistry, 22.06.2019 18:00
The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.
Answers: 1
Students are investigating solutions. Their lab procedure instructs them to mix salt and water which...
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