Match the following : (Mass number : H=1 , C=12 , N=14 , O=16)

Find the mode in each of the following data collection. d. 12, 13, 12, 15, 16, 16, 13, 12, 14, 18, 12, 12, 14, 15, 19, 12, 14

Calculate the molecular mass of haemoglobin C_(3021)H_(4780)O_(896)N_(760)S_(12)e_(4) and find the mass percentage of iron (Fe) in this molecule. [R.A.M.: H = 1, C = 12, N = 14, O = 16, S=32, Fe=56]

In the following reaction sequence, the amount of D (in g) formed from 10 moles of acetophenone is ____. (Atomic weights in g mol^(-1) : H = 1, C = 12, N = 14, O = 16, Br = 80. The yield (%) corresponding to the product in each step is given in the parenthesis)

Find the mode and the median of the following data 13, 16, 12, 14, 19, 12, 14, 13, 14

Which of the following would weigh the least? [Atomic masses : Ag = 108, N = 14, O = 16, C = 12]

Calculate the relative molecular masses (or molecular weights) of the following compounds : Cane sugar , C_12H_22O_11 Given that the relative atomic mass (in amu) of Cu = 63.5 , S=32 , O=16 , N=14 , C=12

A solution of phenol in chlorofom when treated with aqueous NaOH gives compound Pasa major product . The mass percentage of carbon in P is _______ ( to the nearest integer). (Atomic mass : C = 12 , H = 1, O = 16 )

A mixture of two gases CO and N_2 are present in a container in 2 : 1 volume ratio . The vapour density of mixture is : [Atomic mass , C=12, N=14, O=16]

Calculate the molecular mass of the N_2SO_4 . 10H_2O Given atomic mass of Na = 23, H = 1, O = 16, C = 12, N = 14, Mg = 24, S = 32

Calculate the molecular mass of the Mg_3N_2 . Given atomic mass of Na = 23, H = 1, O = 16, C = 12, N = 14, Mg = 24, S = 32