An unknown substance turns blue litmus paper to red. which additional test could be used to confirm the substance’s identity? it should turn phenolphthalein from colorless to pink because it is a base. it should turn phenolphthalein from pink to colorless because it is a base. it should turn methyl orange to orange because it is an acid. it should turn methyl orange to red because it is an acid.
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Chemistry, 22.06.2019 13:00
What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?
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Chemistry, 23.06.2019 00:20
How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal
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Chemistry, 23.06.2019 03:30
In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.
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Chemistry, 23.06.2019 10:30
The element chlorine has two stable isotopes, chlorine-35 with a mass of 34.97 amu and chlorine-37 with a mass of 36.95 amu. from the atomic weight of cl = 35.45 one can conclude that:
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An unknown substance turns blue litmus paper to red. which additional test could be used to confirm...
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