Home
Class 11
CHEMISTRY
Calculate the change in pH of water when...

Calculate the change in pH of water when 0.01 mole of NaOH are added in 10 litre water.

Text Solution

Verified by Experts

The correct Answer is:
4

pH of water is 7
`M= ("no . of moles ")/(" sol . of solution (lit) ") =( 0.01)/(10 ) = 10 ^(_3) `
` pOH =3, pH =11 , "change in pH" = 11- 7= 4`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • IONIC EQUILIBRIUM

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE -III LEVEL -I (MAIN ) (Straight Objective Type Questions))|52 Videos
  • IONIC EQUILIBRIUM

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE -III LEVEL -II (ADVANCED ) (Straight Objective Type Questions))|12 Videos
  • IONIC EQUILIBRIUM

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE -II LEVEL -II (ADVANCED) ( Matrix Matching Type Questions))|2 Videos
  • HYDROGEN AND ITS COMPOUNDS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|20 Videos
  • ISOMERISM

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE ( PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|10 Videos

Similar Questions

Explore conceptually related problems

Calculate the free energy change in kJ when 1 mole of NaCl is dissolved in water at 298 K, Given a) U of NaCl (U = lattice energy) = 778 kJ "mole"^(-1) b) Hydration energy of NaCl = -774.3 kJ "mole"^(-1) (c) Entropy change at 298K = 43 "mole"^(-1)

Calculate the weight of .0.1 mole of sodium carbonate.

Knowledge Check

  • Find the change in pH when 0.01 mole CH_(3) COONa is added to one litre 0.01 M CH_(3) COOH solution (pK_(a) = 4.74)

    A
    3.27
    B
    4.74
    C
    1.37
    D
    2.74
  • Enthalpy change for freezing of 1 g of water at 1 bar and 0^(@)C is 334 J. Calculate the internal energy change in J when 1 g of water is converted into ice ?

    A
    205
    B
    334
    C
    0
    D
    668
  • Similar Questions

    Explore conceptually related problems

    Calculate the weight of 0.1 mole of sodium carbonate.

    Calculate the pH of the following solutions. 1 ml of 13.6 m HCl is diluted with water to give 1 litre solution.

    Calculate the value of log_(10)0.01 .

    Calculate the pH of the following solutions. 0.3g of NaOH dissolved in water to give 200 ml solution.

    If water vapour is assumed to be a perfect gas, molar enthalpy change for vapouration of 1 mole of water at 1 bar and 100^(@)C is 41 kJ mol^(-1) . Calculate the internal energy change when a) 1 mol of water is vapourised at 1 bar and 100^(@)C b) 1 mol of water liquid is converted into ice.

    If Water vapour is assumed to be a perfect gas, molar enthalpy change for vapourisation of 1 mole of water at 1 bar and. 100^@C is 41 kJ mol ""^(-1) . Calculate the internal energy change when (a) 1 mol of water is vapourised at 1 bar and 100^@C (b) 1 mol of water liquid is converted into ice.