1. Questions

Chemmistry

Use this percentage to calculate the mass of fluorine (in g) contained in 54.0 g of copper (II) fluoride.

  1. 👍
  2. 👎
  3. 👁
Sam

  1. %F = (atomic mass F/molar mass CuF2)*100 = ?
    Then g F in 54.0 g CuF2 = 54.0 x %F/100 = ? g F.

    1. 👍
    2. 👎
    DrBob222

  2. 20.2

    1. 👍
    2. 👎
    Anonymous

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry.

    Calculate the percentage by mass of nitrogen in PtCl2(NH3)2...can anyone help me.??

  2. chemistry- empirical formulas

    Calculate the empirical formula of a molecule with the following percent compositions: 55.0% gallium (Ga) and 45.0% fluorine (F). mass of 100g #of Moles in 100g of the compound Ga55.0% _____ ______ F45.0% ______ _______ c.

  3. Another Chem Problem

    Calculate the total number of F (Fluorine) atoms in 12.15 mol C2HBrClF3. The answer is 2.195 x 10^25 atoms, but I am not sure how they got there. Can anyone give me a hint how to get started? If needed (i'm not sure), the

  4. Chemistry (Check)

    6.3 mg of a boron hydride is contained in a flask of 385 mL at 25. degrees C and a pressure of 11 Torr. A. determine the molar mass of the hydride. B. which of the following hydrides is contained in the flask, BH3, B2H6, or B4H10

  1. Chemistry

    “1.25 g of crushed limestone was added to 50.0 cm3 of 1.00 mol dm-3 hydrochloric acid (an excess). The mixture was left until all bubbling stopped and was then made up carefully to 250 cm3 with pure water. A 25.0 cm3 sample of

  2. chemistry

    Fluorine gas can react with ammonia gas to produce dinitrogen tetrafluoride gas and hydrogen fluoride gas. This reaction is described by the following balanced equation: 5 F2 (g) + 2 NH3 (g) N2F4 (g) + 6 HF (g) What mass of

  3. Science

    A solution contains 60g of sugar in 480g of water calculate the concentration of solution in terms of mass by mass percentage of the solution

  4. Chemistry

    Calculate the mass of urea required in making 2.5kg of 0.25 molar aqueous solution? which formula should I use mass by volume percentage or molality.help me out plz

  1. Chemistry

    The adult blue whale has a lung capacity of 5.0 x 10^3L. Calculate the mass of air (assume an average molar mass of 28.98g/mol) contained in an adult blue whales lungs at 0.0 Celsius and 1.00atm, assuming the air behaves ideally.

  2. chemistry

    calculate the percentage by mass of all component in sodium trioxonitrate 4NaNo3(Na23 N14,o16

  3. Atomic Number Chem

    The atomic number of fluorine is 9. What is the mass number of a fluorine atom with 8 neutrons?

  4. Chem

    Copper(II) fluoride contains 37.42% F by mass. Use this % to calculate the mass of fluorine in grams contained 28.5 g of copper (ii) fluoride

You can view more similar questions or ask a new question.