Calculate the value of Avogadro's number from the following data Density of `NaCl=2.165"g cm"^(-3)`. Distance between `Na^(+)andCl^(-)` in NaCl crystal = 281 pm.

Calculate the Avogadro number from the following data of AB, when AB has NaCl type structure : Density of AB=2.48"g cm"^(-3),m=58"g mol"^(-1) Distance between A^(+)andB^(-) in AB = 2.69 pm.

Calculate the density of NaCl if edge length of Nacl unit cell is 564 pm. (Molar mass of NaCl=58.5 g mol^-1)

KF has NaCl structure. What is the distance between K^+ and F^- if density is 2.48 g cm^-3 ?

By X-ray diffraction method, the unit cell edge length of sodium chloride is found to be 562.6 pm. The density of NaCl is observed to be 2.158 gcm^-3 . Calculate the percentage of Na^+ and Cl^- ions missing.

Estimate the average mass density of a sodium atom assuming its size to be about 2.5 overset@A . (Use the known values of Avogadro’s number and the atomic mass of sodium). Compare it with the density of sodium in its crystalline phase : 970 kg m^-3 . Are the two densities of the same order of magnitude ? If so, why ?

Formula mass of NaCl is 58.45 g mol^-1 and density of its pure form is 2.167 g cm^-3 . The average distance between adjacent sodium and chloride ions in the crystal is 2.814xx10^-8 cm . Calculate the Avogadro number.

Calculate the heat of formation of carbon monoxide from the following data. . (i) C(s) + O_(2)(g) to CO_(2) (g) , Delta H =- 393.5 kJ (ii) CO(g) + (1)/(2) O_(2)(g) to CO_(2)(g) , Delta H = - 282.8 kJ

Calculate the heat of formation of n butane from the following data: a. 2C_(4)H_(10)(g) +13O_(2)(g) rarr 8CO_(2)(g) +10H_(2)O(l), DeltaH = - 5757.2 kJ b. C(s) +O_(2) (g)rarrCO_(2)(g), DeltaH =- 405.4 kJ c. 2H_(2)(g) +O_(2)(g) rarr 2H_(2)O(l), DeltaH =- 572.4 kJ

Calculate the density of silver which crystallines in the face centred cubic structure. The distance between the nearest silver atoms in this structure is 287 pm. ( Molar mass of silver=107.87 g mol^-1 ).

By X-ray diffraction method, the unit cell edge length of sodium chloride is found to be 562.6 pm. The density of NaCl is observed to be 2.158 gcm^-3 . Predict the type of defect present in the crystal.