Question

If you started with 24.75 ml of a hydrogen peroxide solution that contained 3.85 % H2O2...

If you started with 24.75 ml of a hydrogen peroxide solution that contained 3.85 % H2O2 by mass, what would be the volume of this gas in ml at STP? The density of the solution is 1.0 g/ml and the molar volume of a gas at STP is 22.4 L/mol. (Put your answer in 3 significant figures)

0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
If you started with 24.75 ml of a hydrogen peroxide solution that contained 3.85 % H2O2...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • If you started with 39.3 ml of a hydrogen peroxide solution that contained 4.53 % H2O2...

    If you started with 39.3 ml of a hydrogen peroxide solution that contained 4.53 % H2O2 by mass, what would be the expected moles of gas of O2 that would be produced? The density of the solution is 1.0 g/ml and the molar volume of a gas at STP is 22.4 L/mol. (Put your answer in 3 significant figures)

  • You will be using 25.00 mL of 3.00% by mass solution ({mass H2O2/mass solution}*100) of hydrogen...

    You will be using 25.00 mL of 3.00% by mass solution ({mass H2O2/mass solution}*100) of hydrogen peroxide. Assume the density of this solution is 1.000 g/mL. If all of hydrogen peroxide decomposes to water and oxygen according to the reaction 2H2O2(aq) ↔2H2O(l) +O2(g) what is the total volume of oxygen gas generated if the temperature is 27° C and the pressure is 775 Torr (ignore the effects of water vapor present)? 760 Torr = 1 atm R = 0.08206 L•atm/K•mol...

  • Hydrogen peroxide, H2O2, is available in stores as a 3.5% v/v solution on water. What volume...

    Hydrogen peroxide, H2O2, is available in stores as a 3.5% v/v solution on water. What volume of hydrogen peroxide is present in 243 mL of this solution? Give your answer to two significant figures. Answer in  mL H2O2

  • (A) Calculate the molarity (M) of a 3% H2O2 assuming that 3.0 g of hydrogen peroxide...

    (A) Calculate the molarity (M) of a 3% H2O2 assuming that 3.0 g of hydrogen peroxide are contained in 100 mL of solution (density = 1.00 g/mL). (B) Calculate the concentration of the dilutions shown in Table I. Just include the number with three significant digits and leading zeros, not the units. Include any zero to the left of the decimal point. Table 1. Trial (% H2O2 by mass) Required volume of 3% H2O2 solution (mL) Req. volume of water...

  • 3. The density of 30 % (w/w) aqueous hydrogen peroxide (H2O2, MW = 38 g/mole) is...

    3. The density of 30 % (w/w) aqueous hydrogen peroxide (H2O2, MW = 38 g/mole) is 1.05 g/mL. Recall that this solution consists of H2O2 and water (a) What's the molarity (M) of 30 % (w/w) aqueous hydrogen peroxide? (20 points) a. 7.29 b. 8.29 C. 9.29 d. 10.29 e. 11.29 (b) How much volume (mL) of 30 % (w/w) hydrogen peroxide (H2O2, MW = 38 g/mole) is required if you want to prepare 1.0 M of 1000 ml solution?...

  • The concentration of hydrogen peroxide, H2O2, in a solution is determined by titrating a 13.0 mL...

    The concentration of hydrogen peroxide, H2O2, in a solution is determined by titrating a 13.0 mL sample of the solution with permanganate ion, producing manganese(II) ion and oxygen gas. Part A Enter the balanced chemical equation for the redox reaction that occurs in acidic solution. Part B If it takes 16.6 mL of 0.127 M permanganate solution to reach the equivalence point, what is the molarity of the hydrogen peroxide solution?

  • A solution or hydrogen peroxide is 26.3 H2O2 by mass and has a density of 1.11...

    A solution or hydrogen peroxide is 26.3 H2O2 by mass and has a density of 1.11 g/cm3 the molarity of the solution is

  • Over time, hydrogen peroxide, H2O2, degrades into water and oxygen gas.  A bottle of hydrogen peroxide is...

    Over time, hydrogen peroxide, H2O2, degrades into water and oxygen gas.  A bottle of hydrogen peroxide is expired and you need to determine the concentration.   A titration is performed using the following equation: 3 H2O2(aq) + 2 NaMnO4(aq) → 3 O2(g) + 2 MnO2(aq) + 2 NaOH(aq) + 2 H2O(l) Note that permanganate ion, MnO4-, is purple, while manganese (IV) ion, Mn4+, is colorless. A quantity of 683 mL of 3.44 M NaMnO4 was measured and placed in a beaker. The solution...

  • A 60 ppm solution of hydrogen peroxide is 60 mg of H2O2 per 1000 g of...

    A 60 ppm solution of hydrogen peroxide is 60 mg of H2O2 per 1000 g of solution. Assuming that the density of this solution is 1.00 g/ml, convert this concetration from ppm to molarity.

  • Reaction 1 (10 mL undiluted 1.0% IKI and 5 mL undiluted 3% H2O2) Reaction 2 (10...

    Reaction 1 (10 mL undiluted 1.0% IKI and 5 mL undiluted 3% H2O2) Reaction 2 (10 mL diluted 0.5% IKI and 5 ml undiluted 3% H2O2) Reaction 3 (10 mL undiluted 1.0% IKI and 5 mL diluted 2.25% H2O2) 13. Answer the following. ( a) How many moles of H2O2 are present in Reactions 1 and 2? Show your work (include units). Hint: The initial H2O2 solution is 3% m/v (mass/volume) hydrogen peroxide in water. That means that 3 g...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT