the cost of table sugar and table salt is 40 Rs per kg and 16 Rs respectively. What are the costs of one mole of these substances?
Answer (1)
Student Expert
16th Mar, 2020
Hi
We can solve this question easily if we calculate the molar mass
Now,
One mole of table salt NaCl = 58.44 grams
while a mole of table sugar = 342.2965 grams.
The cost per gram of table salt and sugar is 0.002 (i.e. 2/1000) and 0.006 (i.e 6/1000) respectively
Then, the cost per mole of each of these would be 58.44x0.006 = 0.117 (~ 12 paise) per mole of NaCl and 342.2965x0.006 = 2.053 per mole of sugar.
Thank you
We can solve this question easily if we calculate the molar mass
Now,
One mole of table salt NaCl = 58.44 grams
while a mole of table sugar = 342.2965 grams.
The cost per gram of table salt and sugar is 0.002 (i.e. 2/1000) and 0.006 (i.e 6/1000) respectively
Then, the cost per mole of each of these would be 58.44x0.006 = 0.117 (~ 12 paise) per mole of NaCl and 342.2965x0.006 = 2.053 per mole of sugar.
Thank you
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