The number of N atoms in 681 g of C7H5N3O6 is x * 1021. The value of x is___________.

(NA = 6.02 * 1023 mol1) (Nearest Integer)

56 g of CO contains (NA = Avogadro's No.)

In the given reaction,

X + Y + 3Z           XYZ₃

If one mole of each of X and Y with 0.05 mol of Z gives compound XYZ₃. (Given: Atomic masses of X, Y and Z are 10, 20 and 30 amu, respectively.) The yield of XYZ₃ is_____________g.

The reaction 2A + B₂ → 2AB is an elementary reaction.
For a certain quantity of reactants, if the volume of the reaction vessel is reduced by a factor of 3, the rate of reaction increases by a factor of ______.