solutions

Related Questions

• The volume of water to be added to $100c{{m}^{3}}$ of $0.5N\ {{H}_{2}}S{{O}_{4}}$ to get decinormal concentration is

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• The molarity of a solution prepared by adding $7.1gm$ of $N{a_2}S{O_4}$ (formula weight $142$ amu) to enough water to make $100 ml$ volume is

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• The melting points of most of the solid substances increase with an increase of pressure acting on them. However, ice melts at temperature lower than its usual melting point, when the pressure increases. This is because

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• The normality of $2.3M\ {{H}_{2}}S{{O}_{4}}$ solution is

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• The vapour pressure of a solvent decreased by $10\ mm$ of mercury, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if decrease in the vapour pressure is to be $20\ mm$ of mercury

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