Home
Class 11
CHEMISTRY
What massof the compound CrO(3) (M = 100...

What massof the compound `CrO_(3)` (M = 1000) contains `4.5 xx 10^(23)` oxygen atoms?

A

2.25g

B

12.0g

C

25.0g

D

75.0g

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS

    GRB PUBLICATION|Exercise Density|36 Videos
  • MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS

    GRB PUBLICATION|Exercise Stoichiometry|88 Videos
  • ISOMERISM

    GRB PUBLICATION|Exercise SUBJECTIVE TYPE|67 Videos
  • NOMENCLATURE AND CLASSIFICATION

    GRB PUBLICATION|Exercise Subjective Type|24 Videos

Similar Questions

Explore conceptually related problems

Which of the following contain 9 xx 10^(23) oxygen atoms?

Find mass of Fe in Fe_(3)O_(4) containing 4.8xx10^(23) oxygen atoms.

What mass of (NH_(4))_2CO_(3) with contains 6.022 xx 10^(23) hydrogen atoms?

What mass of carbon dioxide ( CO_(2) ) will contain 3.011 xx 10^(23) molecules?

What mass of Na_(2)SO_(4).7H_(2)O contains exactly 6.023 xx 10^(22) atoms of oxygen ? .

A cylinder of compressed gas contains nitrogen and oxygen in the molar ratio of 3:1 . If the cylinder contains 2.5 xx 10^(4)g of oxygen, what is the total mass of the gas in the mixture ?

A sample of vitamin C is known to contain 2.58 xx 10^(24) oxygen atoms. How many molesof oxygen atoms are present in the sample?

An organic compound consists of 6.023 xx 10^(23) carbon atoms, 1.8069 xx 10^(24) hydrogen atoms, and 3.0115 xx 10^(23) oxygen atoms. What is its simplest formula?

GRB PUBLICATION-MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS-Subjective type
  1. What massof the compound CrO(3) (M = 1000) contains 4.5 xx 10^(23) oxy...

    Text Solution

    |

  2. An alloy of iron and carbon was treated with suphuric acid, in which o...

    Text Solution

    |

  3. What volumn (in mL) of 0.250 M HNO(3) (nitric acid) reacts with 50 mL ...

    Text Solution

    |

  4. How many millilitres of 0.5 M KMnO(4) are needed to react with 3.04 gm...

    Text Solution

    |

  5. What weight of CO is required to form Re(2)(CO)(10) from 2.50 g fo fR...

    Text Solution

    |

  6. 2.5 of a mixture of BaO and CaO when heated with H(2)SO(4) , produced ...

    Text Solution

    |

  7. If 150 g of carbon reacts with 250 g of Cl(2) and the reaction has an ...

    Text Solution

    |

  8. Equal weight of Cu metal and iodine are mixed together and the iodine ...

    Text Solution

    |

  9. What is the minimum amount of Fe(NH(4))(2)(SO(4))(2) H(2)O (392) neede...

    Text Solution

    |

  10. Calculate the number of moles of ammonia required to produce 2.5 moles...

    Text Solution

    |

  11. A compound contains 28% N and 72% of a metal by weight . Three atoms o...

    Text Solution

    |

  12. Haemoglobin contains 0.25% iron by weight , the molecular weight of Ha...

    Text Solution

    |

  13. Concentrated HNO(3) is 63% HNO(3) by mass and has a density of 1.4g//...

    Text Solution

    |

  14. Many cereals are made with high moisture content so that the product c...

    Text Solution

    |

  15. Nitrogen (N), phosporus (P) and potassium (K) are the main nutrients ...

    Text Solution

    |

  16. 34 gm of ammonia on decomposition gives some hydrogen gas along with N...

    Text Solution

    |

  17. A 12 gm sample of metallic element M reacts completely with 0.02 mole ...

    Text Solution

    |

  18. Calculate the amount of the water which must be added to 2 ml of a sol...

    Text Solution

    |

  19. 500 ml of 2M AlCl(3) solution is mixed with 200 ml of 58.5 % w//v NaCl...

    Text Solution

    |

  20. The molality of a pure gas A is 50/2.4 and that of pure B is 100/3.2, ...

    Text Solution

    |

  21. 100 gm water is saturated with glucose to form a solution of density X...

    Text Solution

    |