Chemistry

Chemistry, 24.06.2019 15:10, isabella20142002

Question 10 a chemistry student adds a quantity of an unknown solid compound x to 150. ml of distilled water at 26.° c. after 10 minutes of stirring, all of the x has dissolved. the student then drains off the solution and evaporates the water under vacuum. a precipitate is left behind. the student washes, dries and weighs the precipitate. it weighs 3.45 g .

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Chemistry, 02.07.2019 17:10, hannahbanana2000

Achemistry student adds a quantity of an unknown solid compound x to 5.00 l of distilled water at 15.° c . after 10 minutes of stirring, only a little x has dissolved. the student then drains off the solution and evaporates the water under vacuum. a precipitate is left behind. the student washes, dries and weighs the precipitate. it weighs 0.17 kg. can you calculate the solubility of x in water at 15.° c

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Chemistry, 02.08.2019 20:20, Albala

Achemistry student weighs out 13.0 g of an unknown solid compound x and adds it to 100. ml of distilled water at 29.° c. after 10 minutes of stirring, all of the x has dissolved. just to be sure, the student adds a further 4. mg of x to the solution, and it, too, dissolves. using only the information above, can you calculate the solubility of x in water at 29.° c ? a. yes b. no if you said yes, calculate it. be sure your answer has a unit symbol and the right number of significant digits.

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Chemistry, 01.10.2019 18:10, deja163

You are analyzing a solid isolated from a reaction and find that its boiling point is over 1000 ∘c. you dissolve the compound in water solution and recrystallize it to produce some solid crystals that you use to determine that the compound is a crystalline solid. which of the following could be the identity of the unknown solid? check all that apply.

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Question 10 a chemistry student adds a quantity of an unknown solid compound x to 150. ml of distill...

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