Chemistry, 06.10.2021 16:50 Cupcake589
25cm3 of 0.1 mol dm-3 potassium hydroxide solution is put in a conical flask. Then a few drops of phenolphthalein are added and hence titrated with solution S.
Answers: 2
Chemistry, 22.06.2019 14:30
Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
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Chemistry, 22.06.2019 18:30
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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Chemistry, 23.06.2019 01:30
Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
25cm3 of 0.1 mol dm-3 potassium hydroxide solution is put in a conical flask. Then a few drops of ph...
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