Achemistry student is given 600. ml of a clear aqueous solution at 37.° c. he is told an unknown amount of a certain compound x is dissolved in the solution. the student allows the solution to cool to 21.° c. at that point, the student sees that a precipitate has formed. he pours off the remaining liquid solution, throws away the precipitate, and evaporates the water from the remaining liquid solution under vacuum. more precipitate forms. the student washes, dries and weighs the additional precipitate. it weighs 0.084 kg. using only the information from above, can you calculate the solubility of x at 21.° c? if yes, calculate it. be sure your answer has a unit symbol and the right number of significant figures.
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What is the percentage composition of carbon in the compound ch4
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Answer the questions about this reaction: nai(aq) + cl2(g) → nacl(aq) + i2(g) write the oxidation and reduction half-reactions: oxidation half-reaction: reduction half-reaction: based on the table of relative strengths of oxidizing and reducing agents (b-18), would these reactants form these products? write the balanced equation: answer options: a. 0/na -> +1/na+1e- b. nai(aq) + cl2(g) → nacl(aq) + i2(g) c. +1/na+1e- -> 0 /na d. -1/2i -> 0/i2+2e- e. no f. 4nai(aq) + cl2(g) → 4nacl(aq) + i2(g) g. 2nai(aq) + cl2(g) → 2nacl(aq) + i2(g) h. 4nai(aq) + 2cl2(g) → 4nacl(aq) + 2i2(g) i. nai(aq) + cl2(g) → nacl(aq) + i2(g) j. 0/cl2+2e -> -1/2cl- k. yes
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Chemistry, 23.06.2019 04:31
What is the amount of energy for a photon that has a 125 cm wavelength
Answers: 2
Achemistry student is given 600. ml of a clear aqueous solution at 37.° c. he is told an unknown amo...
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