5. An organic compound has the following composition by mass.
9 60.0% C, 8.0% H and 32.0% 0.
...
5. An organic compound has the following composition by mass.
9 60.0% C, 8.0% H and 32.0% 0.
If 0.1 g of this compound is neutralized with exactly 10.0 cm of 0.05 mol dm m NaOH in a
reaction with 1: 1 stoichiometry,
(a) deduce the empirical formula of the compounds with the law of nultiple
(b) what is the molecular formula of the compound
Answers: 3
Chemistry, 22.06.2019 07:00
Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li
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Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.
Answers: 3
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The solubility of barium nitrate is 9.02 g/100 g h2o at 20°c. a 15.2 g sample of barium nitrate is added to 200.0 g of water at 20°c. is the solution saturated, unsaturated, or supersaturated? a. unsaturated b. saturated c. supersaturated
Answers: 1
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