Question

nd
AT
(a) 0.50 M
(b) 1.78 M
(c) 1.02 M
(d) 2.05 M.(A.J.E.E.E., 2012)
51. The molality of a urea solution in which 0.0100 g of urea,
[(NH2)2 CO] is added to 0.3000 dm² of water at S.T.P. is
(a) 5.55 x 10-4 M
(b) 33.3 M
(c) 3.33 x 10-2 M
(d) 0.555 M.
(A.I.E.E.E., 2011)
52. 1 gram of a carbonate (M2C03) on treatment with excess HCI
produces 0.01186 mole of CO2. The molar mass of M2CO3
in g mol-l is
(a) 118.6
(b) 11.86
(c) 1186
(d) 84.3. (J.E.E. Main, 2017)
6. (b)
7. (b)
8. (c)
9. (c)
10. (c)
7)
10
20
(d)​

Answer 1

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