Excess of NaOH (aq) was added to 100 mL of `FeCI_(3)` (aq) resulting into 2.14 g of `Fe(OH)_(3).` The molarity of `FeCI_(3)` (aq) is:
(Given molar mass of Fe = 56g `mol^(-1)` and molar mass of CI = 35.5g `mol^(-1)`)

An excess of NaOH was added to 100 mL of a FeCl_(3) solution which gives 2.14g of Fe (OH)_(3) . Calculate the molarity of FeCl_(3) solution.

The ratio between the most probable speed of N_2 at 400 K and Co at 800 K is (molar mass of N_2 = 28 g mol^(-1) , molar mass of CO=28 g mol^(-1) )

The ratio between the most probable speed of N_(2) at 400 K and CO at 800 K is (molar mass of N_(2)=28 " g mol" ^(-1) , molar mass of CO=28 " g mol "^(-1) )

Molarity of HCI(aq) if its density is 1.17 g/cc

Impure copper containing Fe, Au, Ag as impurities is electrolytically refined. A current of 140 A for 482.5 s decreased the mass of the anode by 22.26 g and increased the mass of cathode by 22.011 g. Percentage of iron in impure copper is (Given molar mass Fe= 55.5 g "mol"^(-1) , molar mass Cu = 63.54 g "mol"^(-1) )

The number of isomers of dibromederivative of an alkene (molar mass 186 g mol^(-1) ) is