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If 0.561 g of KOH is dissolved in water to give 200 mL of solution at 298 K. Calculate the concentrations of potassium, hydrogen and hydroxyl ions. What is its pH? hydrogen and hydroxyl ions. What is its pH? If 0.561 g of KOH is dissolved in water to give 200 mL of solution at [...]

The solubility of Sr(OH)2 at 298 K is 19.23 g/L of solution. Calculate the concentrations of strontium and hydroxyl ions and the pH of the solution. The solubility of Sr(OH)2 at 298 K is 19.23 g/L of solution. Calculate the concentrations of strontium and hydroxyl ions and the pH of the solution. November 24, 2020 [...]

The pH of milk, black coffee, tomato juice, lemon juice and egg white are 6.8,5.0,4.2,2.2 and 7.8 respectively. Calculate corresponding hydrogen ion concentration in each. 2.2 and 7.8 respectively. Calculate corresponding hydrogen ion concentration in each. 4.2 5.0 black coffee lemon juice and egg white are 6.8 The pH of milk tomato juice November 24, [...]

Calculate the hydrogen ion concentration in the following biological fluids whose pH are given below: (a) Human muscle-fluid, 6.83 (b) Human stomach fluid, 1.2 (c) Human blood, 7.38 (d) Human saliva, 6.4. 1.2 (c) Human blood 6.4. 6.83 (b) Human stomach fluid 7.38 (d) Human saliva Calculate the hydrogen ion concentration in the following biological [...]

Which of the following equations is a balanced one (a) 5BiO3 +22 H +Mn^2= gives 7H2O +MnO4 ^- Which of the following equations is a balanced one (a) 5BiO3 +22 H +Mn^2= gives 7H2O +MnO4 ^- November 24, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

If 10^21 molecules are removed from 200mg of CO2 , then the number of moles of CO2 left are If 10^21 molecules are removed from 200mg of CO2 then the number of moles of CO2 left are November 24, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Calculate the degree of ionization of 0.05 M acetic acid if its PK a value is 4.74. How is the degree of dissociation affected when its solution also contains (a) 0.01M (b) 0.1M in HCl ? Calculate the degree of ionization of 0.05 M acetic acid if its PK a value is 4.74. How is [...]

THe equivalent weight of MnSO4 is half its molecular weight when it is converted to THe equivalent weight of MnSO4 is half its molecular weight when it is converted to November 24, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Assuming complete dissociation, calculate the pH of the following solutions: (a) 0.003 M HCl (b) 0.005 M NaOH (c) 0.002 M HBr (d) 0.002 M KOH Assuming complete dissociation calculate the pH of the following solutions: (a) 0.003 M HCl (b) 0.005 M NaOH (c) 0.002 M HBr (d) 0.002 M KOH November 24, 2020 [...]

If 0.50 mole of BaCl2 is mixed with 0.20 mol of Na3PO4 , the maximum number of moles of Ba3(PO4)2 that can be formed is If 0.50 mole of BaCl2 is mixed with 0.20 mol of Na3PO4 the maximum number of moles of Ba3(PO4)2 that can be formed is November 24, 2020 Category: Uncategorised (JEE [...]