Some Basic Concepts of Chemistry questions
951 published questions with worked solutions.
- The weight of H_2C_2O_4 2H_2O required to prepare 500ml of 0.2 N solution is
- 0.5 M of H_2SO_4 is diluted form 1 litre to 10 litre ,normality of resulting solution is
- A mixture has 18 g water and 414 g ethanol. The mole fraction of water in mixture is (assume ideal behaviour of the mixture)
- Molarity of 4 % NaOH solution is
- A solution contains 1.2046 10^ 24 hydrochloric acid molecules in one dm^3 of the solution. The strength of the solution is
- The amount of anhydrous Na_2CO_3 present in 250 ml of 0.25M solution is
- A solution of Al_2(SO_4)_3 d=1.253 gm/ml contains 22 % salt by weight. The Molarity normality and Molality of the solution is...
- The density of NH_4OH solution is found to be 0.6 g/ml. It contains 34% by weight of NH_4OH.Calculate the normality of the...
- A solution of CaCl_2 is 0.5 mol/liter, then the moles of chloride ion in 500 ml will be
- How much volume of 3.0 M H_2SO_4 is required for the preparation of 1.0 liter of 1.0 M solution?
- 20 g of NaOH (molar mass = 40 g mol^ -1 ) is dissolved in 500 cm^3 of water. Molality of solution is
- According to Van't Hoff-Avogadro's law volume occupied by solution is
- 20 g of NaOH (Molar mass = 40 g mol^ -1 ) is dissolved in 500 cm^3 of water. Molality of resulting solution is
- An alloy is a homogeneous mixture of _____
- According to van't Hoff - Avogadro's law, volume occupied by a solution is _______
- Mixture has 18 g water and 414 g ethanol. The mole fraction of water in mixture is (assume ideal behavior of the mixture) _______
- Density of water is 1 g/mL. The concentration of water in mol/litre is _______
- A solution of CaCl_2 is 0.5 mol/litre. Then the moles of chloride ion in 500 mL will be _______
- What is the molarity of a FeSO_4 7H_2O solution having 5.56 g of it dissolved in 250 mL of water? (molar mass = 278)
- H_2O_2 solution used for hair bleaching is sold as a solution of approximately 5.0 g H_2O_2 per 100 mL of the solution (molecular...
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration