HomeworkLib
Question

1.00 g mixture of Na2CO3and K2CO3was titrated with HCl. The analysis shows that there are 8.00x10-3moles...

1.00 g mixture of Na2CO3and K2CO3was titrated with HCl. The analysis shows that there are 8.00x10-3moles of CO3-2 ions. Calculate the w/w% Na2CO3in the mixture.

please shows the steps and write neatly.

science   chemistry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1


0 0
Add a comment
Know the answer?
Add Answer to:
1.00 g mixture of Na2CO3and K2CO3was titrated with HCl. The analysis shows that there are 8.00x10-3moles...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

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

  • Please print.) 7. (10 pts) If 0.1800 g of impure soda ash (Na2CO) is titrated with...

    Please print.) 7. (10 pts) If 0.1800 g of impure soda ash (Na2CO) is titrated with 15.66 mL of 0.1082 M HCl (see reaction below), Na CO3(aq) + 2 HCl(aq) → 2 NaCl(aq) + H2O(l) + CO2(g) what is the percent purity of the soda ash? (10 pts) Soft drink bottles are made of polyethylene terephthalate (PET), a polymer composed of carbon, hydrogen. and oxygen. If 1.9022 g PET is burned in oxygen it produces 0.6585 g H20 and 4.0216...

  • It is titrated with 0.1 M HCl 25 mL of a solution which contains a mixture...

    It is titrated with 0.1 M HCl 25 mL of a solution which contains a mixture of salts: NaHA and Na2A. Two points are known from the valuation curve: 1) when adding 1.25 mL of HCl the pH is 6.0 and 2) Add 12.5 mL of HCl the pH is 4.5. Calculate the volume of the 0.1 M HCl solution necessary for the complete evaluation of both salts H2A (pKa1 = 3.0, pKa2 = 6.0). ANSWER 35 mL

  • A mixture of CaCO3 and MgCO3 weighing 1.00 g consumes 21.86 mL of 1N HCl, with...

    A mixture of CaCO3 and MgCO3 weighing 1.00 g consumes 21.86 mL of 1N HCl, with methyl orange as indicator. One gram of this same sample is dissolved in HCl and diluted to one liter. 100 ml is consumed 21.87 mL of a solution of EDTA. EDTA solution with a water hardness is determined. 100 mL of water are taken and consumed 10 mL of EDTA. Express the hardness in ppm of Ca.

  • a.)100 mL of 1.00 M HCl solution is titrated with 1.00 M NaOH solution. You added...

    a.)100 mL of 1.00 M HCl solution is titrated with 1.00 M NaOH solution. You added the following quantities of 1.00 M NaOH to the reaction flask. Classify the following conditions based on whether they are before the equivalence point, at the equivalence point, or after the equivalence point/endpoint. 1.) 150 mL of 1 M NaOH 2.) 200 mL of 1 M NaOH 3.) 50 mL of 1 M NaOH 4.) 100 mL of 1 M NaOH 5.) 5.00 mL...

  • I need help please. was titrated with a 1.00 x 10M EDTA solution. It took A...

    I need help please. was titrated with a 1.00 x 10M EDTA solution. It took A 12.0 mL sample of water from a kitchen tap was titrated with a 1.00 x 102 MED 1.00 mL of the EDTA solution to change the indicator from red to blue. 1) What is the total number of moles of Ca* + Mg in the Swan Lake water sam Cake water sample? mmoles of EDTA 1.00.102.1.00m2 =1.00.102 mme Ca 2+ + m2tions = 1.00...

  • Calculate the pH for a mixture formed by adding 50.0mL of 0.020M HCl to 125 mL...

    Calculate the pH for a mixture formed by adding 50.0mL of 0.020M HCl to 125 mL of 0.010M HI. (please explain the steps)

  • 1. What volume of 1.00 M HCl in liters is needed to react completely (with nothing...

    1. What volume of 1.00 M HCl in liters is needed to react completely (with nothing left over) with 0.750 L of 0.200 M Na2CO3? Express your answer to three significant figures and include the appropriate units. 2. A 639-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 15.1 g CO2. What was the concentration of the HCl solution? Express your answer to three significant figures and include the appropriate units. Hydrochloric acid (HCl) reacts with sodium...

  • 25mL of an unknown sodium carbonate and sodium hydroxide mixture reacted with 10mL of .5M SrCl2 is titrated with 1M HCl...

    25mL of an unknown sodium carbonate and sodium hydroxide mixture reacted with 10mL of .5M SrCl2 is titrated with 1M HCl Using the following endpoints determine (a) the number of moles of NaOH and (b) the number of moles of Na2CO3. (Show work) Endpoint 1: 13.2mL HCl used Endpoint 2: 12.9mL HCl used To the first endpoint: (1) HCI(aq) + NaOH (aq) NaCl(aq) + H20(0) Between the first and second endpoints: (2) 2 HCl(aq) + SrC03(s)SrCl2(aq) + H20() + CO2(aq)...

  • A 150 mL sample of a 0.300 M solution of K2SO3 is titrated with a 1.00 M HCl solution. Ka1=1.39E10^-2, Ka2=6.73E10^-8 Wh...

    A 150 mL sample of a 0.300 M solution of K2SO3 is titrated with a 1.00 M HCl solution. Ka1=1.39E10^-2, Ka2=6.73E10^-8 What is the initial pH (before titration) and the pH after 50.0 mL of the 1.00 M HCl has been added?

  • 2. The dibasic compound B (pKb 4.00, pKb 8.00) was titrated with 1.00 M HCl. The...

    2. The dibasic compound B (pKb 4.00, pKb 8.00) was titrated with 1.00 M HCl. The initial solution of B was 0.100 M and had a volume of 100.0 mL. Find the pH at the following volumes of acid added and make a graph of pH versus Va: Va -0,1, 10, 11,15, 19, 20, and 22 mL.

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