Advertisements
Advertisements
प्रश्न
Define molarity (M).
Define the following term:
Molarity
Advertisements
उत्तर
Molarity (M) is defined as the number of moles of solute dissolved in one litre (or one cubic decimetre) of solution.
APPEARS IN
संबंधित प्रश्न
A solution is obtained by mixing 300 g of 25% solution and 400 g of 40% solution by mass. Calculate the mass percentage of the resulting solution.
If the solubility product of CuS is 6 × 10−16, calculate the maximum molarity of CuS in aqueous solution.
Nalorphene (C19H21NO3), similar to morphine, is used to combat withdrawal symptoms in narcotic users. Dose of nalorphene generally given is 1.5 mg. Calculate the mass of 1.5 × 10−3 m aqueous solution required for the above dose.
What is molal depression constant? Does it depend on nature of the solute?
Molarity of liquid HCl will be if the density of the solution is 1.17 gm/cc.
5 ml of N HCl, 20 ml of N/2 H2SO4 and 30 ml of N/3 HNO3 are mixed together and volume made to one litre. The normality of the resulting solution is:
Mole fraction of the solute in a 1.00 molal aqueous solution is ____________.
A solution is prepared by dissolving 10 g NaOH in 1250 mL of a solvent of density 0.8 mL/g. The molality of the solution in mol kg–1 is:
Out of molality (m), molarity (M), formality (F) and mole fraction (x), those which are independent of temperature are:
4 L of 0.02 M aqueous solution of NaCl was diluted by adding one litre of water. The molality of the resultant solution is ______.
Cone. H2SO4 is 98% H2SO4 by mass has d = 1.84 g cm−3. Volume of acid required to make one litre of 0.1 M H2SO4 is:
Which of the following is a correct statement for C2H5Br?
Define the following modes of expressing the concentration of a solution. Which of these modes are independent of temperature and why?
w/w (mass percentage)
Carbon percentage (by weight) in crude petroleum may be about
Calculated the mole fraction of benzene in a solution containing 30% by mass of its is carbon tetrachloride
4.5 g of compound A (MW = 90) was used to make 250 mL of its aqueous solution. The molarity of the solution in M is x × 10−1. The value of x is ______. (Rounded-off to the nearest integer)
A sample of Ferrous sulphide reacts with dil. H2SO4 to from H2S which contains 9% hydrogen by volume. The percentage of fee in the sample, is ______.
Calculate the molarity of the following solution:
30 mL of 0.5 M H2SO4 diluted to 500 mL.
