Astandard solution containing 5.9 10-8 m iodoacetone and 1.8 10-7 m p-dichlorobenzene (an internal standard) gave peak areas of 307 and 556, respectively, in a gas chromatogram. a 3.00 ml unknown solution of iodoacetone was treated with 0.100 ml of 1.2 10-5 m p-dichlorobenzene and the mixture was diluted to 10.00 ml. gas chromatography gave peak areas of 416 and 348 for iodoacetone and p-dichlorobenzene, respectively. find the concentration of iodoacetone in the 3.00 ml of original unknown.
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Chemistry, 21.06.2019 22:00, braydentillery1221
If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a
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Chemistry, 22.06.2019 03:10, josephpezza18
The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.
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Chemistry, 22.06.2019 10:00, 2019reynolds
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
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Astandard solution containing 5.9 10-8 m iodoacetone and 1.8 10-7 m p-dichlorobenzene (an internal s...
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Mathematics, 24.10.2019 02:00
Mathematics, 24.10.2019 02:00