CBSE Class 11-science Answered
Molarity of pure D2O will be(assume density of D2O is 1g/ml)
Asked by Anil | 25 May, 2017, 02:21: PM
Expert Answer
Let us consider 1L of water (pure water)
Since density is given,
Hence mass of 1L of water would be
Mass= d x Volume
= (1 gm/cc)x 1000cc....... ( Since 1L= 1000mL or 1000cc)
Therefore Mass of 1L water = 1000gms.
Molarity = no. of moles of solute/ Volume of solution in Ltr
n = given mass of water / molecular mass of water
= 1000gm/ 18gm
= 55.5moles
Molarity = 55.5moles/ 1Ltr = 55.5M
Answered by Vaibhav Chavan | 25 May, 2017, 02:58: PM
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