1) Rank the following substances in order from most soluble in water to least so
ID: 886987 • Letter: 1
Question
1) Rank the following substances in order from most soluble in water to least soluble in water:
ethane, C2H6; 2-pentanol, C5H11OH; copper(II) sulfate, CuSO4; and propane, C3H8.
2) Where would you expect N2 to fit on this graph?
3) Commercial concentrated aqueous ammonia is 28% NH3 by mass and has a density of 0.90 g/mL.
What is the molarity of this solution?
Its curve will be just below that of He. Its curve will be just above that of CH4. Its curve will be just above that of O2. Its curve will be just below that of CO.Explanation / Answer
The following substances in order from most soluble in water to least soluble in water are following:
1.ethane, C2H6;
2.2-pentanol, C5H11OH
3. copper(II) sulfate, CuSO4
4. propane, C3H8.
copper(II) sulfate, CuSO4 > 2-pentanol; C5H11OH > propane, C3H8> ethane, C2H6
copper(II) sulfate, CuSO4 is ionic compound thus it is more solution in water.
2-pentanol; C5H11OH form H-bonding with water.
In propane, C3H8 and ethane, C2H6 the size of propane, C3H8 is greater than the size of ethane, C2H6. It gives larger temporary dipoles as compared to ethane, C2H6. Thus propane, C3H8 is more soluble than ethane.
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