Question

Calculate the concentration of HCl in the 250.0 mL volumetric flask and calculate the excess number...

Calculate the concentration of HCl in the 250.0 mL volumetric flask and calculate the excess number of moles and total number of moles of HCl added to the alkali metal carbonate. From the total number of moles of HCl added and knowing the excess number of moles, calculate the moles of HCl that reacted with M2CO3. Use the following data for the calculations:

mass of m2co3 transferred = 0.3877 g

volume of 1mol HCl added to alkali metal = 20 ml

concentration of HCl = 1.058 mol/l

volume of alkali metal solution per titration = 25ml

conc of NaOH = 0.05920 mol/l

b) Calculate the number of moles and molar mass of M2CO3 in a 0.3877g sample. Also, Identify the alkali metal, M. Justify your assertion.

0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
Calculate the concentration of HCl in the 250.0 mL volumetric flask and calculate the excess number...
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
  • A chemist places 3.90 g of sodium carbonate in a 250.0 mL volumetric flask and fills...

    A chemist places 3.90 g of sodium carbonate in a 250.0 mL volumetric flask and fills it to the mark with water. Calculate the concentrations of the major ionic species in units of mol/L (M). A. Sodium ion concentration? b. Carbonate ion concentration?

  • Concentration of Standardized HCI Solution = 0.39 Flask Mass Mg (g) 0.0845 0.0815 Volume HCI (mL)...

    Concentration of Standardized HCI Solution = 0.39 Flask Mass Mg (g) 0.0845 0.0815 Volume HCI (mL) T 10mL 10mL 12.15 m2 Initial volume NaOH (mL) 21.15ML Final volume NaOH (ml) 21. 15m2 31.5mL Volume used NaOH (mL) 19 mL 10.35 ml CALCULATIONS **Show work for each trial.** . Moles of Mg used • Initial moles of HCl (total moles of HCl placed into each Erlenmeyer flask) • Moles of NaOH Moles of HCl titrated NaOH + HCI -----> NaCl +...

  • To a 250.0 mL volumetric flask are added 1.00 mL volumes of three solutions: 0.0100 M...

    To a 250.0 mL volumetric flask are added 1.00 mL volumes of three solutions: 0.0100 M AgNO3, 0.245 M NaBr, and 0.100 M NaCN. The mixture is diluted with deionized water to the mark and shaken vigorously What mass of AgBr would precipitate from this mixture? (Hint: The Ksp of AgBr is 5.4 x 10-13 and the Ky of Ag(CN)2-is 1.0 × 1021) Number g AgBr

  • Concentration of Standardized HCI Solution = 0.934 M Flask 2 Mass Mg (8) 10.0849 0.0815 Volume...

    Concentration of Standardized HCI Solution = 0.934 M Flask 2 Mass Mg (8) 10.0849 0.0815 Volume HCI (mL) I 10mL 10mL Initial volume NaOH (mL) 12.15ml Final volume NaOH (mL) 21.154L 9 m 21. 15ML 31.5mL 10.35 mL Volume used NaOH (mL) CALCULATIONS **Show work for each trial.** • Moles of Mg used Trial 0.084 Hy loola 10.001g Mg = 0.00 0.003375 mol My 0.0035 molto • Initial moles of HCl (total moles of HCl placed into each Erlenmeyer flask)...

  • A student weighs out 14.6 g of AlBrz, transfers it to a 300 mL volumetric flask,...

    A student weighs out 14.6 g of AlBrz, transfers it to a 300 mL volumetric flask, adds enough water to dissolve the solid and then adds water to the 300 mL mark on the neck of the flask. Calculate the concentration (in molarity units) of aluminum bromide in the resulting solution? Calculate the mass, in grams of sodium iodide that must be added to a 250 mL volumetric flask in order to prepare 250 mL of a 0.138 M aqueous...

  • QUESTIONS 1. Determine the concentration of the HCL solution from the data for the standardization of...

    QUESTIONS 1. Determine the concentration of the HCL solution from the data for the standardization of the HCL with the Na2CO3 2. using your data, calculate the moles and mass of acetylsalicylic acid in each tablet (molar mass=180.16g/mol) 3. Using your data, calculate the % by mass of aspirin in the tablet DATA: 1. Make two solutions; Add 1 tablet of aspirin to an erlenmeyer flask 2. using a 50mL pipette, add 50.0mL of NaOH to the tablets in the...

  • 9. What is the hydroxide-ion concentration in a solution formed by combining 200 mL of 0.16 M HCl with 300. mL of 0...

    9. What is the hydroxide-ion concentration in a solution formed by combining 200 mL of 0.16 M HCl with 300. mL of 0.091 M NaOH at 25°C? HCl(aq) + NaOH(aq) + NaCl(aq) + H2O(1) 10. What is the pH of a solution prepared by dissolving 0.241 L of HCl(g), measured at STP, in enough water such that the total volume of the solution is 2.00 L? (R = 0.0821 L.atm/(K.mol)) (Use gas law equation to calculate Mole of HCl dissolved...

  • 1. A student carries out a back titration to determine the concentration of ammonium chloride in a solution. The student...

    1. A student carries out a back titration to determine the concentration of ammonium chloride in a solution. The student collects 10.80 mL of the original NH4Cl solution and dilutes it to 250.0 mL (we will refer to this as the dilute NH4Cl solution). Then 25.00 mL of the dilute NH4Cl solution are transferred to an Erlenmeyer flask and 25.00 mL of 0.1963 M NaOH are added. Calculate the moles of NaOH added to this Erlenmeyer flask. 2. In the...

  • 3. (5 pts) A solution was prepared by transferring 0.661 g of KSO to a 250.0-ml...

    3. (5 pts) A solution was prepared by transferring 0.661 g of KSO to a 250.0-ml volumetric flask (container 1) and adding water to the mark. A sample of this solution of volume 1.000 ml was transferred to a 500.0-ml volumetric flask (container 2) and diluted to the mark with water. Then 10.0 mL of the diluted solution was transferred to a 250.0-ml flask (container 3) and diluted to the mark with water. What is the final concentration of K2SO4...

  • A 0.6739 g sample of a pure carbonate, X,CO,(s), was dissolved in 50.0 mL of 0.1850 M HCl(aq). The excess HCl(aq)...

    A 0.6739 g sample of a pure carbonate, X,CO,(s), was dissolved in 50.0 mL of 0.1850 M HCl(aq). The excess HCl(aq) was back titrated with 24.70 mL of 0.0980 M NaOH(aq). How many moles of HCl react with the carbonate? moles of HCI = mol What is the identity of the cation, X? cation: A standardized solution that is 0.0100 M in Na+ is necessary for a Hame photometric determination of the element. How many grams of primary-standard-grade sodium carbonate...

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
ADVERTISEMENT