Asked by Anonymous
Saturated solutions of each of the following compounds are made at 20 degree Celsius. Which of the solutions will form a precipitate upon heating?
a. NaCl b. Na2SO4
c. Li2CO3 d. sucrose
Since water heats at 100 degree Celsius here are there solubility (g/100 g of H2O) measurements
for a. 39.2 b. 41.0 c. 0.70 d. 487
Can you explain to me how you got the answer?
a. NaCl b. Na2SO4
c. Li2CO3 d. sucrose
Since water heats at 100 degree Celsius here are there solubility (g/100 g of H2O) measurements
for a. 39.2 b. 41.0 c. 0.70 d. 487
Can you explain to me how you got the answer?
Answers
Answered by
DrBob222
Frankly, I don't understand the data table. It's nice to know the solubility but what is the temperature? 100 C perhaps? And what is the saturated solution of each? The answer, I believe, is Na2SO4. The solubility curve for Na2SO4.10H2O decreases above about 30 C.
http://en.wikipedia.org/wiki/Sodium_sulfate
http://en.wikipedia.org/wiki/Sodium_sulfate
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