Some Basic Concepts of Chemistry questions
951 published questions with worked solutions.
- Molarity of 0.2N H_2SO_4 is
- 4.0 gm of NaOH are contained in one deciliter of solution. Its Molarity would be
- A solution of CaCl_2 is 0.5 mol/litre, then the moles of chloride ion in 500ml will be
- The Molarity of a 0.2 N Na_2CO_3 solution will be
- 1 gm equivalent of a substance is the weight of the substance which is equivalent to
- 10 litre solution of urea contains 240 g urea. The active mass of urea will be
- In a mixture of 1 gm H_2 and 8gm O_2,the mole fraction of hydrogen is
- The Molality of 90% H_2SO_4 solution is [density =1.8 gm/ml]
- If 5.85 g of NaCl(molecular weight 58.5) is dissolved in water and the solution is made up to 0.5 litre, the Molarity of the...
- What is the normality of 1 M solution of H_3PO_4 ?
- 25ml of 3.0M HNO_3 are mixed with 75ml of 4.0M HNO_3. If the volumes are additive, the molarity of the final mixture would be
- Molar solution means 1 mole of solute present in
- The weight of pure NaOH required to prepare 250 cm^3 of 0.1 N solutions is
- How many grams of dibasic acid(mol. Wt.200) should be present in 100ml of its aqueous solution to give decinormal strength?
- What will be the normality of a solution containing 4.9 g H_3PO_4 dissolved in 500ml water?
- If 1 M and 2.5 litre NaOH solution is mixed with another 0.5 M and 3 litre NaOH solution, then Molarity of the resultant solution...
- 10 grams of a solute is dissolved in 90grams of a solvent. Its mass percent in solution is
- The molarity of a solution made by mixing 50ml of conc. H_2SO_4 (36 N) with 50ml water is
- 3.65 gms HCl is dissolved in 16.2 gms of water. The mole fraction of HCl in the resulting solution is
- 5 ml of N HCl, 20 ml of N/2 H_2SO_4 and 30 ml of N/3 HNO_3 are mixed together and volume made to one litre. The normality of the...
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