Home
Class 9
CHEMISTRY
Calculate the mole ratio of 240 g of ca...

Calculate the mole ratio of `240 g` of calcium and `240 g` of magnesium. `(Ca = 40 , Mg = 24 u)`

Text Solution

Verified by Experts

The correct Answer is:
`3 : 5`
Promotional Banner

Topper's Solved these Questions

  • ATOMS AND MOLECULES

    LAKHMIR SINGH & MANJIT KAUR|Exercise Exercise|205 Videos

  • IS MATTER AROUND US PURE

    LAKHMIR SINGH & MANJIT KAUR|Exercise NCERT BOOK PAGE 24|1 Videos

Similar Questions

Explore conceptually related problems

Calculate the mass in gm of 2g atom of Mg-

Veriy by calculating that a) 5 moles of CO_(2) and 5 moles of H_(2)O do not have the same mass. b) 240 g of calcium and 240 g magnesium elements have a mole ratio of 3:5

Calculate the number of calcium ions in 5.6 g of calcium oxide . (Ca = 40)

The ratio of moles of atoms in 12 g of magnesium and 16 g of sulphur will be :

How many moles are there in 5 g of calcium ?

How many grams of neon will have the same number of atoms as 4 grams of calcium ? (Atomic masses : Ne = 20 u, Ca = 40 u )

If 1 g of sodium carbon contains x atoms, what will be the number of atoms in 1 g of magnesium ? (C= 12u, Mg = 24 u)

Calculate the mass in g of (a) 2 g -atom of Mg (b) 3N atoms of Mg .

LAKHMIR SINGH & MANJIT KAUR-ATOMS AND MOLECULES-Exercise
  1. Calculate the mass in grams of 0.17 mole of hydrogen sulphide , H(2)...

    Text Solution

    |

  2. Show by means of calculations that 5 moles of CO(2) and 5 moles of ...

    Text Solution

    |

  3. Calculate the mole ratio of 240 g of calcium and 240 g of magnesium. ...

    Text Solution

    |

  4. (a) Define mole. What are the two things that a mole represents. (b)...

    Text Solution

    |

  5. (a) What is meant by 'a mole of carbon atoms' ? (b) Which has more...

    Text Solution

    |

  6. (a) Define gram atomic mass of a substance. How much is the gram atomi...

    Text Solution

    |

  7. (a) Define gram molecular mass of a substance. How much is the gram m...

    Text Solution

    |

  8. (a) What is meant by the 'molar mass' of a substance ? State the unit ...

    Text Solution

    |

  9. Which of the following pair of element represents a mole ratio of 1 : ...

    Text Solution

    |

  10. Which of the following correctly represents 360 g of water? (i) 2 mo...

    Text Solution

    |

  11. If 32 g of sulphur has x atoms, then the number of atoms in 32 g of o...

    Text Solution

    |

  12. A student wants to have 3.011 xx 10^(23) atoms each of magnesium and ...

    Text Solution

    |

  13. The ratio of moles of atoms in 12 g of magnesium and 16 g of sulphur w...

    Text Solution

    |

  14. If 12 gram of carbon has x atoms, then the number of atoms in ...

    Text Solution

    |

  15. Which of the following has the maximum number of atoms ?

    Text Solution

    |

  16. If 1 gram of sulphur dioxide contains x molecules, how many molecule...

    Text Solution

    |

  17. The mass of one molecule of a substance is 4.65 xx 10^(-23) g. What is...

    Text Solution

    |

  18. Which contains more molecules, 10 g of sulphur dioxide (SO(2)) or 10 g...

    Text Solution

    |

  19. What weight of oxygen gas will contain the same number of molecules a...

    Text Solution

    |

  20. What mass of nitrogen, N(2), will contain the same number of molecule...

    Text Solution

    |