Home
Class 12
PHYSICS
What volume of 75% alcohol by weight (d-...

What volume of 75% alcohol by weight `(d-0.80g//cm^(3))` must be used to prepare 150 `cm^(3)` of 30 % alcohal by mass `(d=0.90g//cm^(3))` ?

A

44.44 mL

B

56.25 mL

C

67.5 mL

D

33.56 mL

Text Solution

Verified by Experts

The correct Answer is:
C
`M_(1)V_(1)=M_(2)V_(2)`
`rho=(W_(T))/(V_(T))`
`V_(T)=(W_(T))/(rho)`
`(75)/(100)xxVxx0.8=(30)/(100)xx150xx0.9`
V= 67.5 ml
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 2

    CAREER POINT|Exercise PART (B)-CHEMISTRY|29 Videos

  • MOCK TEST 10

    CAREER POINT|Exercise PART (B) - CHEMISTRY|30 Videos

  • MOCK TEST 3

    CAREER POINT|Exercise CHEMISTRY|30 Videos

Similar Questions

Explore conceptually related problems

What volume of 90% alcohol by weight (d = 0.8 g mL^(-1)) must be used to prepared 80 mL of 10% alcohol by weight (d = 0.9 g mL^(-1))

60 ml of a ''x'' % w/w alcohol by weight (d = 0.6 g//cm^(3) ) must be used to prepare 200 cm^(3) of 12% alcohol by weight (d = 0.90 g//cm^(3)) . Calculate the value of ''x'' ?

X mL of a 60% w/w alcohol by weight (d = 0.6gm//mL) must be used to prepare 200 mL of 12% alcohol by weight (d=0.6gm//mL) . Then the value of X will be :

Calculate the volume of 8% by mass solution of NaOH (d = 1.34 g//cm^(3)) to prepare 500 ml of 4% by mass solution of NaOH (d = 1.24 g//cm^(3)) .

What volume of 95% H_(2) SO_(4) by weight (d = 1.85 g mL^(-1)) and what mass of water must be taken to prepare 100 mL of 15% solution of H_(2) SO_(4) (d = 1.10 g mL^(-1))

CAREER POINT-MOCK TEST 2-PART (B)-CHEMISTRY
  1. Select incorrect order :

    Text Solution

    |

  2. In which of the following processes energy is absorbed ?

    Text Solution

    |

  3. An element (atomic mass = 100 g//mol) having bcc structure has unit ce...

    Text Solution

    |

  4. Select the correct statement -

    Text Solution

    |

  5. Element X crystallizes in 12 co - ordination fcc lattice. On applyng h...

    Text Solution

    |

  6. Which of the following is correct option for the free expansion of an ...

    Text Solution

    |

  7. Which of the following is correct ?

    Text Solution

    |

  8. On increasing the temperature , the rate of a reaction:

    Text Solution

    |

  9. The molality of 15 % by wt solution of H2SO4 is

    Text Solution

    |

  10. Rate of reaction (r ) is plotted against temperature (T) for an enzyme...

    Text Solution

    |

  11. What volume of 75% alcohol by weight (d-0.80g//cm^(3)) must be used to...

    Text Solution

    |

  12. The pH of blood stream is maintained by a proper balance of H(2)CO(3) ...

    Text Solution

    |

  13. Which of the following disaccharide will not reduce Tollen's reagent ?

    Text Solution

    |

  14. Lassaigne's test for the detection of nitrogen fails in

    Text Solution

    |

  15. The species which acts as electrophile in the bromination of benzene i...

    Text Solution

    |

  16. CH(3)-overset(O)overset(||)(C)-OHoverset(ND(3))underset(Delta)(to)(A)o...

    Text Solution

    |

  17. PhMgBr+(X)underset((2)H^(oplus))(to)Ph-overset(OH)overset(|)underset(P...

    Text Solution

    |

  18. Which of the following compound will undergo tautomerism?

    Text Solution

    |

  19. Which metal does not form nitrate when heated with conc. HNO(3) ?

    Text Solution

    |

  20. The K(eq) values in HCN addition to following aldehydes are in the ord...

    Text Solution

    |