Home
Class 11
CHEMISTRY
Calculate moles of electrons in 1900 mg ...

Calculate moles of electrons in 1900 mg of `PO_(4)^(3-)` ion.

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

  • MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS

    GRB PUBLICATION|Exercise Match the columns|25 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

Calculate number of electron present in 9.5" g of" PO_(4)^(3-) :

How many mole of electrons are involved in the reduction of one mole of MnO_(4)^(-) ion in alkaline medium to MnO_(3)^(-)

In a saturated solution of calcium phosphate, the concentration of PO_(4)^(-3) ions is 3.3xx10^(-7) . The K_(sp) of Ca_(3)(PO_(4))_(2) will be

Calculate the number of unpaired electrons in Cr^(3+) and V^(3+) ions.

Calculate the number of unpaired electrons in Cr^(3+) and V^(3+) ions.

Oxidation number of P in PO_4^(3-) ion is :

a. A solution of caF_(2) is found to contain 10^(-4)M F^(Θ) ions. What is the K_(sp) of caF_(2) ? b. A solution of calcium phoshate contains 2 xx 10^(-5)M PO_(4)^(3-) ions. What is K_(sp) of ca_(3)(PO_(4))_(2) ? c. A solution of Ca_(3)(PO_(4))_(2) contains 6 xx 10^(-5)M ca^(2+) ions. What is the K_(sp) of Ca_(3) (PO_(4))_(2) ? d. A solution of Zr_(3)(PO_(4))_(4) constains 8 x 10^(-5) M PO_(4)^(3-) ions. what is the K_(sp) of Zr_(3) (PO_(4))_(4) ? e. A solution of Zr_(3)(PO_(4))_(4) contain 3 xx 10^(-5) M Zr^(4+) ions. What is the K_(sp) of Zr_(3)(PO_(4))_(4) ?

GRB PUBLICATION-MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS-Subjective type
  1. 2.0 g of a sample containing NaCl, NaBr and some inert impurity is dis...

    Text Solution

    |

  2. In a compound C, H, N atoms are present in 9:1:3.5 by weight. Molecula...

    Text Solution

    |

  3. Calculate moles of electrons in 1900 mg of PO(4)^(3-) ion.

    Text Solution

    |

  4. A 96 gm mixture containing CaCO(3) "and" MgCO(3) on heating produces a...

    Text Solution

    |

  5. 6 gm of nitrogen on successive reaction with different compounds gets ...

    Text Solution

    |

  6. Calculate the density (in gm//ml) of aqueous NaOH solution of which mo...

    Text Solution

    |

  7. If 40 gm of NaOH is added to 2 litre solution of 4 M NaOH, find the mo...

    Text Solution

    |

  8. A mixture of Nal and CaBr(2) having mole fraction of CaBr(2) equal to ...

    Text Solution

    |

  9. 0.5 gm of fuming H(2)SO(4) (Oleum) is diluted with water. This solutio...

    Text Solution

    |

  10. A solvent X (mol mass 50) contains solute A (mol. Mass 125) and solute...

    Text Solution

    |

  11. Find the sum of molarity of all the ions present in an aqueous soultio...

    Text Solution

    |

  12. If 87g of K(2)SO(4) (molar mass=174g) is dissolved in enough water to ...

    Text Solution

    |

  13. A 50 gm oleum sample contains (400/49) gm of combined SO(3). Find perc...

    Text Solution

    |

  14. A 3 L gas mixture of propane (C(3)H(8)) and butane (C(4)H(10)) on comp...

    Text Solution

    |

  15. SO(2)Cl(2), (sulphuryl chloride) reacts with water to give a mixture o...

    Text Solution

    |

  16. An alkene upon combustion produces CO(2)(g)"and"H(2)O(g). In this comb...

    Text Solution

    |

  17. 100 gm oleum sample (labelled as 107.8%) is mixed with 7.8 gm water an...

    Text Solution

    |

  18. A hydrocarbon is burnt with just sufficient amount of oxygen. After co...

    Text Solution

    |

  19. An oleum sample is labelled as (100+x)% and it contains 80/3% free SO(...

    Text Solution

    |

  20. If volume of 1 M aqueous NaOH solution is required to react completely...

    Text Solution

    |