Pick out the correct statements from the following. Also correct the incorrect state-ments: The number of molecules present in 1 mol hydrogen and 1 mol oxygen are same.

Pick out the correct statements from the following. Also correct the incorrect statements. a) The number of molecules present in 1 mol hydrogen and 1 mol oxygen are same. b) 1 mole chlorine contain 4 xx 6.022 xx10^23 chlorine molecules. c) The mass of 1/2 mol nitrogengas is 14g. d) 0.5 mol water has the mass of 9g. There are 6.022 xx 10^23 H_2 O molecules in it. (Atomic mass H= 1.0= 16, Cl 35.5, N = 14).

Pick out the correct statements from the following. Also correct the incorrect state-ments: The mass of 1/2 mol nitrogen gas is 14 g.

Pick out the correct statements from the following. Also correct the incorrect statements: 2 mol chlorine contain 4xx6.022xx10^(23) chlorine molcules.

Pick out the correct statements from the following. Also correct the incorrect state-ments: 0.5 mol water has the mass 9g. There are 6.022xx10^(23) H_2O molecules in it. (Atomic mass H=1,O=16,CI=35.5, N=14)

Calculate the number of tetrahedral and octahedral voids present in 1 mol of a crystal.

In each of the following question, an Assertion (A) is following by a corresponding Reason (R ). Use the following keys to choose the appropriate answer. Assertion : The number of O atoms in 1 g of O_2 1 g of O_3 and 1 g of atomic oxygen is same. Reason : Each value represents 1"/"16 g -atom of oxygen.