Question

A solution was prepared by dissolving 0.1927 g of HgO (see the Primary Standards table) in...

A solution was prepared by dissolving 0.1927 g of HgO (see the Primary Standards table) in 20 mL of water containing 4 g of KBr. Titration with HCl required 17.96 mL to reach a phenolphthalein end point. Calculate the molarity of the HCl.

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

first write the balanced reaction.

then using reaction find the limiting Reagent

then find the moles of OH- formed.

then using M1V1 = M2V2

find the concentration of HCl.

0 0
Know the answer?
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
Similar Questions
A solution of HClO4 was standardized by dissolving 0.4608g of primary standard grade HgO in a...
A solution of HClO4 was standardized by dissolving 0.4608g of primary standard grade HgO in a solution of KBr Hgo (a) + 4Br- +H2O---->HgBr42- + 2OH- the liberated OH- consumed 43.48 ml of the acid. calculate the molar concentration of HClO4?
Part A Calculate the molarity of a solution prepared by dissolving 12.9 g of Na2CrO4 in...
Part A Calculate the molarity of a solution prepared by dissolving 12.9 g of Na2CrO4 in enough water to produce a solution with a volume of 670. mL . Express the molarity to three significant digits Part B How many moles of KBr are present in 160. mL of a 0.127 M solution? Express the amount in moles to three significant digits Part C How many milliliters of 6.7 M HCl solution are needed to obtain 0.19 mol of HCl?...
A solution is prepared by dissolving 23.7 g of CaCl 2 in 375 g of water....
A solution is prepared by dissolving 23.7 g of CaCl 2 in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of Cl- in this solution is ________ M. Also, The concentration of HCl in a solution that is prepared by dissolving 5.5 g of HCl in 200 g of C2H6O is ________ molal.
Calculate the concentrations of hydronium and hydroxide ions in a solution prepared by dissolving 0.798 g...
Calculate the concentrations of hydronium and hydroxide ions in a solution prepared by dissolving 0.798 g of HCl gas in enough water to make 443 mL of solution. [OH−] = [H3O+] =
A solution is prepared by dissolving 25.00 g of acetic acid (CH3COOH) in 750.0 g of...
A solution is prepared by dissolving 25.00 g of acetic acid (CH3COOH) in 750.0 g of water. The density of the resulting solution is 1.105 g/mL. A) Calculate the mass percent of acetic acid in the solution. B) Calculate the molarity of the solution. C) Calculate the molality of the solution. D) Calculate the mole fraction of acetic acid in the solution. E) What is the concentration of acetic acid in ppm?
calculate the Molarity for a solution prepared by dissolving 50g of cesium chloride in 50 g...
calculate the Molarity for a solution prepared by dissolving 50g of cesium chloride in 50 g water
A solution is prepared by dissolving 61.5 mL of methanol in 115.0 mL of water at...
A solution is prepared by dissolving 61.5 mL of methanol in 115.0 mL of water at 25 ∘C . The final volume of the solution is 173.4 mL . The densities of methanol and water at this temperature are 0.782 g/mL and 1.00 g/mL , respectively. For this solution, calculate each of the following. [Molarity, molality, mass percent]
A solution is prepared by dissolving 20.2 mL of methanol (CH3OH) in 100.0 mL of water...
A solution is prepared by dissolving 20.2 mL of methanol (CH3OH) in 100.0 mL of water at 25 ∘C. The final volume of the solution is 118 mL. The densities of methanol and water at this temperature are 0.782 g/mL and 1.00 g/mL, respectively. For this solution, calculate each of the following. A. Molarity B. Molality C. Percent by Mass D. Mole fraction
A solution was prepared by dissolving 26.0 g of KCl in 225 g of water. The...
A solution was prepared by dissolving 26.0 g of KCl in 225 g of water. The composition of a solution can be expressed in several different ways. Four of the most common concentration units are defined as follows:. mass %=mass of componenttotal mass of solution×100%; mole fraction (X)=moles of componenttotal moles of solution; molarity (M)=moles of soluteliters of solution; molality (m)=moles of solutemass of solvent (kg) Part A Calculate the mass percent of KCl in the solution. Part B Calculate...
A solution is prepared by dissolving 20.2 mL of methanol in 100.0 mL of water. The...
A solution is prepared by dissolving 20.2 mL of methanol in 100.0 mL of water. The final volume of this solution is 118ml. The densities of methanol and water are 0.782 g/mL and 1.00 g/mL, respectively. For this solution, calculate the following- molarity molality mass % MOLE FRACTION VOLUME OF SOLVENT MASS OF SOLVENT MOLES OF SOLVENT VOLUME OF SOLUTE MOLES OF SOLUTE MASS OF SOLUTE VOLUME OF SOLUTION MASS OF SOLUTION
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT