Among the following, choose the ones with an equal number of atoms.
Choose the correct answer from the options given below:
Consider the above reaction, what mass of CaCl₂ will be formed if 250 ml of 0.76 M HCl reacts with 1000 g of CaCO₃?
Fortification of food with iron is done using $\mathrm{FeSO}_{4} .7 \mathrm{H}_{2} \mathrm{O}$. The mass in grams of the $\mathrm{FeSO}_{4} .7 \mathrm{H}_{2} \mathrm{O}$ required to achieve 12 ppm of iron in 150 kg of wheat is _______ (Nearest integer).} (Given : Molar mass of $\mathrm{Fe}, \mathrm{S}$ and O respectively are 56,32 and $16 \mathrm{~g} \mathrm{~mol}^{-1}$ )
0.5 g of an organic compound on combustion gave 1.46 g of $ CO_2 $ and 0.9 g of $ H_2O $. The percentage of carbon in the compound is ______ (Nearest integer) $\text{(Given : Molar mass (in g mol}^{-1}\text{ C : 12, H : 1, O : 16})$
20 mL of sodium iodide solution gave 4.74 g silver iodide when treated with excess of silver nitrate solution. The molarity of the sodium iodide solution is _____ M. (Nearest Integer value) (Given : Na = 23, I = 127, Ag = 108, N = 14, O = 16 g mol$^{-1}$)
During "S" estimation, 160 mg of an organic compound gives 466 mg of barium sulphate. The percentage of Sulphur in the given compound is %.(Given molar mass in g mol\(^{-1}\) of Ba: 137, S: 32, O: 16)
In the reaction 2Al(s) + 3Cl2(g) → 2AlCl3(s), if 4.0 g of aluminum reacts with 6.0 g of chlorine gas, what is the limiting reactant?
For the reaction N2(g) + 3H2(g) → 2NH3(g), the equilibrium constant Kc at a certain temperature is 1.5. If the concentration of N2 is 0.5 M, H2 is 1.0 M, and NH3 is 0.2 M, what is the reaction quotient Qc?