How many molecule are present in 12 L of liquid CCl4 ? The density of the liquid is 1.59 g cm−3 ?

1  cc  of  CCl4  contains  1.59  g  of  it∴   12  L of  liquid  CCl4  will  contain =  12  ×  1000 ×1.59=159×120molecular wt. of CCl4=12+4(35.5)=154gnumber of molecules=n×6.023×1023=159×120154×6.023×1023                                                            =0.744×1026