Question

Question 15 10 points Save Answer In a titration, a sample of HCl required 18.4 mL of a 0.7971 M NaOH solution to reach the e

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Molarity=moles of solute/volume of solution in litre

Molarity of NaOH = 0.7971M

Volume of solution=18.4ml = 18.4/1000 lit.

=1.84*10-2 L

So, moles of NaOH= molarity*volume

=0.7971*1.84*10-2.

=1.467*10-2

Hope you will like my answer.

Add a comment
Know the answer?
Add Answer to:
Question 15 10 points Save Answer In a titration, a sample of HCl required 18.4 mL...
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 23.00 ?mL sample of an unknown HClO4 solution requires titration with 20.12 mL of 0.2000...

    A 23.00 ?mL sample of an unknown HClO4 solution requires titration with 20.12 mL of 0.2000 M NaOH to reach the equivalence point. The neutralization reaction is: HClO4(aq)+NaOH(aq)?H2O(l)+NaClO4(aq) What is the concentration of the unknown HClO4 solution? express your answer using four Sig figs.

  • A titration of 20.00 mL of an unknown HCl solution with 0.2350 M NaOH starts at...

    A titration of 20.00 mL of an unknown HCl solution with 0.2350 M NaOH starts at a buret reading for NaOH of 0.350 mL. The phenolphthalein indicator turns light pink in the acid solution for over 30 seconds at a buret reading of 25.14 mL. Maintain 3 significant figures but do not include the units. a. What was the volume of NaOH dispensed? b. How many moles of NaOH were dispensed? c. How many moles of HCl are present in...

  • A 20.00 mL sample of HCl was titrated with the 0.022 M NaOH solution. To reach...

    A 20.00 mL sample of HCl was titrated with the 0.022 M NaOH solution. To reach the endpoint required 23.72 ml of the NaOH. Calculate the molarity of the HCI. HCI + NaOH ----> NaCl + H2O Select one: O a. 0.026 M o b. 0.068 M o c. 0.039 M O d. 0.052 M

  • Prelab Activity: Titrations Continued – Titration of Household Products A 2.40 g sample of vinegar was...

    Prelab Activity: Titrations Continued – Titration of Household Products A 2.40 g sample of vinegar was added to an Erlenmeyer flask along with 100 mL of deionized water and 3 drops of phenolphthalein indicator. It took 22.15 mL of 0.0981 M NaOH (aq) to reach the faint pink endpoint. The following balanced chemical equation represents the chemistry of the titration: NaOH (aq) + CH3COOH (aq) à CH3COO–Na+ (aq) + H2O (l) Calculate the mass % of acetic acid (CH3COOH) in...

  • A 26.00 −mL sample of an unknown HClO4 solution requires titration with 22.72 mL of 0.2100...

    A 26.00 −mL sample of an unknown HClO4 solution requires titration with 22.72 mL of 0.2100 M NaOH to reach the equivalence point. What is the concentration of the unknown HClO4 solution? The neutralization reaction is: HClO4(aq)+NaOH(aq)→H2O(l)+NaClO4(aq) Express your answer using four significant figures.

  • Consider the following reaction. NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l) If 25.0 mL of a...

    Consider the following reaction. NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l) If 25.0 mL of a 0.100 M solution of NaOH reacted with excess HCl, how many moles of NaCl could form? a. 0.00250 mol b. 0.100 mol c. 25.0 mol d. 2.50 mol 1 points    QUESTION 9 Consider the following reaction. How many grams of sucrose would produce 2546 kcal? a. 649.4 g b. 1342 g c. 180.4 g d. 1.897 g

  • a. If a titration of a sample of HCl dissolved in water required 33.56 mL of...

    a. If a titration of a sample of HCl dissolved in water required 33.56 mL of 0.0358 M NaOH, how many moles of HCl were in the sample? b. What is the molarity of a solution that results from dissolving 0.895 g of Na2CO3 in 50 mL of water, then diluting the mixture by a factor of 1:25?

  • QUESTION 1 43.2 mL of aqueous 0.255 M Pb(NO3)2 is mixed with 36.1 mL of 0.415...

    QUESTION 1 43.2 mL of aqueous 0.255 M Pb(NO3)2 is mixed with 36.1 mL of 0.415 M NaCl. The equation for the precipitate reaction is: Pb(NO3)2 (aq) + 2 NaCl (aq) --> PbCl2 (s) + 2 NaNO3 (aq) How many moles of PbCl2 are formed? (with correct sig figs) QUESTION 2 What volume (in mL!!!) of 1.28 M HCl is required to react with 3.33 g of zinc (65.41 g/mol) according to the following reaction? Zn(s) + 2 HCl (aq)...

  • The end point in a titration of a 76 mL sample of aqueous HCI was reached...

    The end point in a titration of a 76 mL sample of aqueous HCI was reached by the addition of 63 mL of 0.23 M NaOH titrant. The reaction proceeds by the following equation. HCl(aq) + NaOH(aq) - NaCl(aq) + H2O(1) What is the molar concentration of HCI? Report your answer with two significant figures.

  • What is the molarity of a solution of HCl if 6.00 mL of the HCl solution...

    What is the molarity of a solution of HCl if 6.00 mL of the HCl solution is titrated with 26.8 mL of a 0.125 M NaOH solution? HCl(aq)+NaOH(aq)→H2O(l)+NaCl(aq)

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