The molecular mass of methane `(CH_4)` is 16: What is the mass of `5xx6.022xx10^(23) CH_4` molecules?

The molecular mass of methane (CH_4) is 16: What is the mass of 1 GMM of CH_4 ?

Find the mass of. 6.02xx10^23 molecules of CO_2

The molecular mass of methane (CH_4) is 16: Calculate the number of mole molecules in 160g of CH_4 ?

Calculate the weight of 6.022 xx 10^(23) molecules of CaCO_(3)

Calculate the molar mass of CH_4 .

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)

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).

Calculate the number of molecules in each of the following: 1 g CO_2 (Given that N_A is 6.02xx10^23 , molecular mass of N_2 is 28 and CO_2 is 44.)

Identify the relation and complete: 6.022xx10^(23) Hydrogen atoms (H)=1g. 6.022xx10^(23) Hydrogen molecules (H_2) ………………….

Calculate the number of molecules in each of the following : 1 g N_2 , 1 g CO_2 . ( Given that N_a is 6.02 xx 10^23 , molecular mass of N_2 is 28 and CO_2 is 44).