Home
Class 12
CHEMISTRY
300 gm, 30%(w/w) NaOH solution is mixed ...

300 gm, `30%`(w/w) NaOH solution is mixed with 500 gm `40%`(w/w) NaOH solution. What is `%` (w/v) NaOH if density of final solution is 2 gm/mL?

A

72.5

B

65

C

62.5

D

None

Text Solution

Verified by Experts

The correct Answer is:
A
% (w/v) volume of NaOH`=((300xx0.3+500xx0.4)/(800))/2xx100=72.5`
Promotional Banner

Topper's Solved these Questions

  • QUALITATIVE ANALYSIS PART 1

    RESONANCE|Exercise A.L.P|39 Videos

  • SOLID STATE

    RESONANCE|Exercise PHYSICAL CHEMITRY (SOLID STATE)|45 Videos

Similar Questions

Explore conceptually related problems

100mL, 3% (w/v) NaOH solution is mixed with 100 ml, 9% (w/v) NaOH solution. The molarity of final solution is

Calculate Molarity of 40% NaOH (w/W). The density of solution is 1.2 g/ml.

500g of 30% (w/w) solution is mixed with 400g of 25% (w w ) solution.Mass percentage of the resulting solution is

Find % (w/v) of 20% (w/w) H_(2)SO_(4) solution, if density of solution is 1.2 gram/ml.

500 ml of 2 M CH_(3)COOH solution is mixid with 600 ml 12 % w//v CH_(3)COOH solution then calculate the final molarity of solution.

Equal volumes of 10% (w/v) of HCl is mixed with 10% (w/v) NaOH solution. The resultant solution be

125mL of 63% (w/v) H_(2)C_(2)O_(4).2H_(2)O solution is made to react with 125mL of a 40% (w/v) NaOH solution. The resulting solution is : (ignoring hydrolysis of ions)

The molarity of 20% (W/W) solution of sulphuric acid is 2.55 M. The density of the solution is :

Molality of 20% (w/w) aq. glucose solution is

RESONANCE-RANK BOOSTER-All Questions
  1. Molality : It is defined as the moles of the solute pressent in 1 kg o...

    Text Solution

    |

  2. Molality : It is defined as the moles of the solute pressent in 1 kg o...

    Text Solution

    |

  3. 300 gm, 30%(w/w) NaOH solution is mixed with 500 gm 40%(w/w) NaOH solu...

    Text Solution

    |

  4. 0.2828 g of iron wire was dissolved in excess dilute H(2)SO(4) and the...

    Text Solution

    |

  5. A metal oxide has 40% oxygen. The equivalent weight of the metal is:

    Text Solution

    |

  6. Based on the following information, determine value x and y : under...

    Text Solution

    |

  7. 29.2% (w/w) HCl stock solution has a density of 1.25 g mL^(-1) . The m...

    Text Solution

    |

  8. Consider the following data : Delta(f)H^(@)(N(2)H(4),l)=50kJ//mol,Delt...

    Text Solution

    |

  9. The correct figure representing isothermal and adiabatic expansion of ...

    Text Solution

    |

  10. For a gas having molar mass M, specific heat at constant pressure can ...

    Text Solution

    |

  11. When 1 mole of an ideal gas at 20 atm pressure and 15 L volume expands...

    Text Solution

    |

  12. During winters, moisture condenses in the form of dew and can be seen ...

    Text Solution

    |

  13. Consider the following statements and arrange in the order of true/fa...

    Text Solution

    |

  14. One mole of an ideal diatomic gas (C(v) =5 cal) was transformed from i...

    Text Solution

    |

  15. From the following date , mark the opation(s) where Delta H is correct...

    Text Solution

    |

  16. Statement-1: Due to adiabatic free expansion temperature of real gas m...

    Text Solution

    |

  17. Statement-1 :When a gas at high pressure expands against vacuum, the m...

    Text Solution

    |

  18. Staetement -1: The magniyude of the work involed in an isothermal expa...

    Text Solution

    |

  19. Assertion(A) : Heat of neutralisation of HCl and NaOH is same as that ...

    Text Solution

    |

  20. Statement -1 in the following reaction : C(s)+O(2)(g)to CO(2) (g), D...

    Text Solution

    |