100 mL of 0.6 M acetic acid is shaken with 2 g activated carbon . The final concentration solution after adsorption is 0.5 M. what is the amount of acetic acid adsorbed per gram of carbon ?
0.6 g,
0.3 g,
1.2 g,
none of these.
The density of 2.05 M acetic acid in water is 1.02 g/ml . Calculate the molality of solution.
The density of a 2.05 M acetic acid in water is 1.02gcm^-3 . Calculate the molality of the solution.
A 20.0 mL sample of a 0.20 M solution of the weak diprotic acid H_(2)A is titrated with 0.250 M NaOH. The concentration of solution at the second equivalent point is:
An aqueous solution of ethanol has density 1.025 g/mL and it is 2 M. What is the molality of this solution ?
The formula of an acid is HXO_2 . The mass of 0.0242 moles of the acid is 1.657g . What is the atomic mass of X ?
108 g fairly concentrated solution of AgNO_(3) is electrolysed by using 0.1 F charge the mass of resulting solution is
A sample of 16 g charcoal was brought into contact with CH_(4) gas contained in a vessel of 1 litre at 27^(@) C . The pressure of gas was found to fall from 760 to 608 torr. The density of chacoal sample is 1.6 g//m^(3) . What is the volume of the CH_(4) gas adsorbed per gram of the adsorbent at 608 torr and 27^(@)C ? 125 L//g , 16.25 mL//g , 26 mL//g , none of these .
To observe an elevation of boiling point at 0.05^@C , the amount of solute (mol.wt =100) to be added to 100g of water (k_b=0.5) is
1g of charcoal adsorbs 1 00mL of 0.6 M CH_3COOH to form a monolayer and thereby molarity of acetic acid is reduced to 0.49 M. Calculate the surface area of the charcoal adsorbed by each molecule of acetic acid. Surface area of charcoal = 3.01 xx10^2 m^2//g
3.6 gram of oxygen of adsorbed on 1.2 g of metal powder. What volume of oxygen adsorbed per gram of the adsorbent at 1 atm and 273 K ?
