Hannah Y.
asked • 04/15/20Using the equation below, determine the volume (L) of CaCl2 that is produced at 17,450 Pa and 253 K from a 14.2 g sample of HCl. 2 HCl + Ca(OH)2 --> CaCl2 + 2 H2O
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1 Expert Answer
- Find the molar mass of HCl
- Use that molar mass to convert 14.2 grams to moles--> Molar mass = grams/moles.
- Use the equation PV = nRT to find V. solving for V = nRT/P.
- Convert the pressure (17,450 Pa) to atm. Temperature is given, R is the Gas constant and n is half of the moles you calculated from 2 (molar ratio of HCL to CaCl2)
Good luck
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Ben C.
I have a sneaking suspicion that there is a typo in this problem. Calcium chloride is a solid, and unless this is a third year college chemistry class, you wouldn't be doing this type of calculation. Perhaps you meant the volume of water?04/15/20