Question

28
1.28
1
(ii)
Which one of the following will have the largest number of atoms?
(i) 1 g Au (s)
1 g Na (s)
1 g Li (s)
(iv) 1 g of C1,9
Calculate the molarity of a solution of ethanol in water, in which the mole
ethanol is 0.040 (assume the density of water to be one).
What will be the mass of one 12C atom in g?
How many significant figures should be present in the answer of the
calculations?
1.29
1.30
1.31
0.02856 x 298.15 % 0,112
0.5785
0.0125 + 0.7864, 4 0.0215
(11) 5 x 5,364​

Answer 1

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