[" Calculate the number of gasesous "],[" molecules left in a valume of "1mm^(3)" if it is "],[" pumped out to give a "],[10^(-6)mmHg" at "298K" ."],[11034484]

Calculate the number of gasesous molecules left in a volume of 1 mm^(3) if it is pumped out to give a vacuum of 10^(-6)mm Hg at 298 K .

Calculate the number of gaseous molecules left in a volume of 1 mm^(3) if it is pumped out to give a vacuum of 10^(-6)mm Hg at 298 K .

Estimate the number of molecules left in a volume of the size of a pinhead about 1 cubic mm when the air is pumped out to give a vaccuum of 10^(−6 ) m Hg at 25^oC .

Calculate the number of molecules left when 10^(21) molecules of CO_(2) are removed from 200 mg of CO_(2) .

Calculate the solubility of PbCl_2 if its solubility product is 1.0xx10^(-6) at 298 K.

Number of molecules: What is the number of molecules in a diatomic gas present in 1 L flask at 0^(@) C and under a pressure of 7.6xx10^(-19) mm Hg ? Strategy : Express the pressure in atmosphers and use Eq.(1.10) to calculate the number of moles. Using Avoagdro's constant,find the number of molecules.

Calculate the vapour pressure of a solution containing 10gm of non-volatile solute in 80gm of ethanol of at 298K [The vapour pressure of pure ethanol at 298K is 22.45 mm and Molecular weight of solute is 120]

Calculate the degree of dissociation and concentration of H_3O^+ ion in 0.01 M solution of formic acid K_a = 2.1 xx 10^(-4) at 298K.

Calculate the pH of 0.01 M solution of CH_(3)COOH.K_(a) for CH_(3)COOH at 298K is 1.8xx10^(-5)