If the density of methanol is `0.793kgL^(-1)`,what is its volume needed for making 2.5L of its 0.25M solution?

If the density of methanol is 0.793 kg L^(-1) what is its volume needed for making 2.5 L of its 0.25 M solution?

If the density of wood is 800kg//m^(3) and volume is 0.3 m^(3) find its mass.

The ionisation constant of dimethylamine is 5.4 xx 10^(-4) Calculate its degree of ionisation in its 0.02 M solution. What percentage of dimethylamine is ionised if the solution is also 0.1 M in NaOH ?

The ionization constant of phenol is 1.0xx10^(-10) . What is the concentration of phenolate ion in 0.05 M solution of phenol? What will be its degree of ionization if the solution is also 0.01 M in sodium phenolate?

The density of 2.45 M aqueous methanol (CH_(3)OH) is 0.976 g/mL . What is the molatiy of the solution (CH_(3)OH=32) ?

The density of a gas at STP is 1.5 g/L. Its molecular weight is

Commercially available concentrated hydrochlorc acid contains 38% HCI by mass. (i) What is the molarity of this solution? The density is 1.19 g cm^(-3) . (ii) What volume of concentrated HCI is required to make 1.00 L of 0.10 M HCI?

29.2% (w//w) HCl stock, solution has a density of 1.25 g mL^(-1) . The molecular weight of HCl is 36.5 g mol^(-1) . The volume (mL) of stock solution required to prepare a 200 mL solution of 0.4 M HCl is :

Calculate the number of moles of methanol in 1 litres in its 2m solution, if the density of the solution 0.981kgL^(-1) (molar mass of methanol =32g "mol"^(-1) )

Calculate the number of moles of methanol in 3 litres in its 2m solution, if the density of the solution 0.981kgL^(-1) (molar mass of methanol =32g "mol"^(-1) )