CHEMISTRY

The following reaction represents the decomposition of hydrogen peroxide:

Balanced equation: 2H2O2 -> O2 + 2H2O

How many moles of oxygen are produced from the decomposition of 3.4g of hydrogen peroxide?

How many molecules of O2 are produced?


For the second question, is the answer 1 molecule?

asked by Emma
  1. 2H2O2 ==> 2H2O + O2
    3.4g is how many moles of H2O2? That is moles = grams/molar mass.
    The equation tells you that 1 mole O2 is produced by 2 moles H2O2.

    For the last part, no, 1 is not the answer. Remember there are 6.022E23 molecules in 1 mole.

    posted by DrBob222
  2. Thank you!
    For the second question could you tell me how to find the answer?

    posted by Emma
  3. # molecules = mols O2 x 6.022E23 = ?

    posted by DrBob222

Respond to this Question

First Name

Your Answer

Similar Questions

  1. Chemistry

    The following reaction represents the decomposition of hydrogen peroxide 2H2O2 -> o2 (g) + 2H2O (l) How many molecules of water are produced from the decomposition of 3.4g of Hydrogen peroxide, H2O2? Please walk me through this
  2. Chemistry

    The following reaction represents the decomposition of hydrogen peroxide: 2H2O2 -> O2 (g) + 2H2O (l) How many molecules of water are produced from the decomposition of 3.4g of hydrogen peroxide, H2O2? Please help, I got 0.02
  3. Chemistry

    Thank you for your help. I did want to clarify why you are only calculating the Molar Mass for H2 and not the molar mass for H2O (or even H2O2). I'm not sure why you did this. Please clarify. See below: The following reaction
  4. Chemistry

    Oxygen gas and water are produced by the decomposition of hydrogen peroxide. If 10.0 mol of H2O2 decomposes, what volume of oxygen will be produced? Assume the density of oxygen is 1.429g/L. 2H2O2= 2H2O+O2
  5. chem

    Oxygen gas and water are produced by the decomposition of hydrogen peroxide. If 10.0 mol of H2O2 decomposes, what volume of oxygen will be produced? Assume the density of oxygen is 1.429g/L. 2H2O2= 2H2O+O2
  6. Chemistry - Mole Ratio

    How many moles of oxygen are produced from the decomposition of 3.4g of hydrogen peroxide? How many molecules of O2 are produced?
  7. Chemistry

    A student generated oxygen gas by decomposing hydrogen peroxide (H2O2) according to the following equation: 2H2O2(aq) -> 2H2O(l) + O2(g) If the student started with 1.75 moles of hydrogen peroxide, how many moles of oxygen gas
  8. Chemistry

    2H202-> 2H2O + O2 Suppose you carry out the decomposition using 25.0 mL of a 2.00M hydrogen peroxide solution and obtain the following: 8.62 mL of gas is collected in 120 seconds. How many moles of oxygen are produced per
  9. chemistry

    What is the standard heat of reaction (Delta H^0) for the decomposition of hydrogen peroxide? 2H2O2 (l) ==> 2H2O (l) + O2(g)
  10. Chemistry

    What is the standard heat of reaction (Delta H^0) for the decomposition of hydrogen peroxide? 2H2O2 (l) ==> 2H2O (l) + O2(g)

More Similar Questions