Question

A chemist takes 280.0 mL of 1.800 M ZnBr2 solution and dilutes it to a final...

A chemist takes 280.0 mL of 1.800 M ZnBr2 solution and dilutes it to a final volume of 750.0 mL.

(a) What is the molarity of the dilute solution?
M

(b) How many grams of ZnBr2 does the final volume of the dilute solution contain?
g

Homework Answers

Know the answer?
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
Similar Questions
A chemist dissolves 0.099 g of CuSO4 · 5 H2O in water and dilutes the solution...
A chemist dissolves 0.099 g of CuSO4 · 5 H2O in water and dilutes the solution to the mark in a 500-mL volumetric flask. A 28.9-mL sample of this solution is then transferred to a second 500-mL volumetric flask and diluted. What is the molarity of CuSO4 in the second solution?
A chemist needs to determine the concentration of a sulfuric acid solution by titration with a...
A chemist needs to determine the concentration of a sulfuric acid solution by titration with a standard sodium hydroxide solution. He has a 0.1294 M0.1294 M standard sodium hydroxide solution. He takes a 25.00 mL25.00 mL sample of the original acid solution and dilutes it to 250.0 mL.250.0 mL. Then, he takes a 10.00 mL10.00 mL sample of the dilute acid solution and titrates it with the standard solution. The endpoint was reached after the addition of 17.43 mL17.43 mL...
In the laboratory, a student dilutes 23.0 mL of a  6.34 M hydrochloric acid solution to a...
In the laboratory, a student dilutes 23.0 mL of a  6.34 M hydrochloric acid solution to a total volume of 250.0 mL. What is the concentration of the diluted solution? Concentration = ___________M
1. If I have 100 mL of a 0.15 M NaOH solution and I dilute the...
1. If I have 100 mL of a 0.15 M NaOH solution and I dilute the solution to a final volume of 250 mL, what will the molarity of the diluted solution be? 2. If I add 25 mL of water to 125 mL of a 0.15 M NaOH solution, what will the molarity of the diluted solution be? 3. I have 345 mL of a 1.5 M NaCl solution. If I boil the water until the volume of the...
A sample 25.0 mL of an NaCl solution is diluted to a final volume of 125.0...
A sample 25.0 mL of an NaCl solution is diluted to a final volume of 125.0 mL of 0.200 M NaCl.What was concentration of the original NaCl solution?How many moles of solute are pipetted from the original solution?How many moles of solute are in the dilute solution? How many moles of product, KHCO3 will be produced when1.0 mol of K2O reacts with 1.0 mol H2O and 1.0 mol of CO2?K2O + H2O + 2 CO2 à 2 KHCO3 h) A...
1) how many grams of barium nitrate are needed to prepare 100.0 mL of 0.450 M...
1) how many grams of barium nitrate are needed to prepare 100.0 mL of 0.450 M solution? 2) Calculate the Molarity of the solution prepared by dissolving 35.0 g of NaNO3 in a total volume of 150.0 ml solution. 3) What volume of 0.0955 M KMnO4 (aq) solution can be prepared from 1.256 g of KMnO4? 4) what is the molarity of the solution prepared by diluting 45.5 mL of 5.00 M HNO3 to 650.0 ml? 5) what volume of...
A) What volume of 0.150 M HClO4 solution is needed to neutralize 59.00 mL of 8.80×10−2...
A) What volume of 0.150 M HClO4 solution is needed to neutralize 59.00 mL of 8.80×10−2 M NaOH? B) What volume of 0.130 M HCl is needed to neutralize 2.87 g of Mg(OH)2? C) If 26.4 mL of AgNO3 is needed to precipitate all the Cl− ions in a 0.755-mg sample of KCl (forming AgCl), what is the molarity of the AgNO3 solution? D) If 45.8 mL of 0.112 M HCl solution is needed to neutralize a solution of KOH,...
Part A What volume of 0.105 M HClO4 solution is needed to neutralize 55.00 mL of...
Part A What volume of 0.105 M HClO4 solution is needed to neutralize 55.00 mL of 9.00×10−2M NaOH? Part B What volume of 0.120 M HCl is needed to neutralize 2.70 g of Mg(OH)2? Part C If 25.6 mL of AgNO3 is needed to precipitate all the Cl− ions in a 0.770-mg sample of KCl (forming AgCl), what is the molarity of the AgNO3 solution? Part D If 45.7 mL of 0.102 M HCl solution is needed to neutralize a...
Calculate the molarity of a solution containing 30.0 g of ethanol (C2H5OH) in 6.00 L of...
Calculate the molarity of a solution containing 30.0 g of ethanol (C2H5OH) in 6.00 L of solution. What is the molarity of a solution containing 2.00 g of NaOH in 1000 mL of solution? How many grams of sodium carbonate (Na2CO3) are needed to prepare 2.50 L of a 0.15 M solution?   How many grams of KOH are needed to prepare 100 mL of a 0.50 M solution? Lab 9 Worksheet: Concentration of Solutions (Ch4) Name: How many mL of...
A 280.0 mL buffer solution is 0.240 M in acetic acid and 0.240 M in sodium...
A 280.0 mL buffer solution is 0.240 M in acetic acid and 0.240 M in sodium acetate. Part A What is the initial pH of this solution? Part B What is the pH after addition of 0.0150 mol of HCl? Part C What is the pH after addition of 0.0150 mol of NaOH?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT