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 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.

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

The standard enthalpy of formation of gaseous H_(2)O at 298 K is -241.82 kJ/mol. Calculate DeltaH^(@) at 373 K given the following values of the molar heat capacities at constant pressure : H_(2)O(g)=33.58 " JK"^(-1)" mol"^(-1), " "H_(2)(g)=29.84 " JK"^(-1)" mol"^(-1), " "O_(2)(g)=29.37 " JK"^(-1)" mol"^(-1) Assume that the heat capacities are independent of temperature :

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

What is the distance between Na^+ and Cl^- ions in NaCl crystal if the density is 2.165 g cm^-3 . Molar mass of NaCl=58.5 g mol^-1 , ( N_A=6.02xx10^23 mol^-1) .

An ionic compound AB_2 possesses CaF_2 type crystal structure. Write the coodinations numbers of A^(2+) and B^(-) ions in crystals of AB_2 .

Find the points on the line through the points A(1,2,3) and B(5,8, 15) at a distance of 14 units from the mid point of AB.

CdO has NaCl like structure with density 8.27g//c c . If the ionic-radius of O^(2-) is 1.24A^(@) determine the ionic radius of Cd^(2+) :

Calculate the molarity of a solution containing 11.7 g of NaCl in 2.0 L solution. (M_(NaCl)=58.5 g mol^-1)