Question

A 20.0 wt% solution of CaCl2 (110.98 g/mol) has a density of 1.185 g/mL. What is...

A 20.0 wt% solution of CaCl2 (110.98 g/mol) has a density of 1.185 g/mL. What is the mass (in milligrams) of a 19.9-mL solution of 20.0 wt% CaCl2?What is the mass (in grams) of CaCl2 in 419.4 mL of a 20.0 wt% solution of CaCl2? What is the formal concentration of CaCl2 (in molarity) of the 419.4-mL CaCl2 solution described in the previous question?

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

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
20.0% by mass NH3(aq) has a density of 0.8951 g/mL. What is the molar concentration of...
20.0% by mass NH3(aq) has a density of 0.8951 g/mL. What is the molar concentration of this solution?
The density of a 40 wt% solution of ethanol in water is 0.937 g/mL. The density...
The density of a 40 wt% solution of ethanol in water is 0.937 g/mL. The density of n-butanol is 0.810 g/mL. What is the concentration of n-butanol in ppm if you dissolve 15 μL of this alcohol in a 40 wt% solution of Ethanol in water. The final volume of the solution is 25 mL. Assume that the density of the ethanol solution does not change upon dissolution of the butanol. Use the correct number of significant figures!
Calculate the molarity and the molality of C3H8O2 for a solution of 20.0 g of C3H8O2...
Calculate the molarity and the molality of C3H8O2 for a solution of 20.0 g of C3H8O2 (molar mass 76.09 g/mol) in 80.0 g of water (molar mass 18.02 g/mol). The density of the solution is 1.016 g/mL.
A 10.69% (weight/weight) Fe(NO​3​)​3 (241.86 g/mol) solution has a density of 1.059g solution/mL solution. Calculate: a.)...
A 10.69% (weight/weight) Fe(NO​3​)​3 (241.86 g/mol) solution has a density of 1.059g solution/mL solution. Calculate: a.) The molar concentration of ​Fe(NO​3​)​3 in this solution. b.) The mass in grams of Fe(NO​3​)​3 contained in one liter of this solution. c.) The molar concentration of NO​3​​- in the solution.
3. An aqueous solution of 3.63 M glycerol, C3H5(OH)3, has a density of 1.185 g/mol. a)...
3. An aqueous solution of 3.63 M glycerol, C3H5(OH)3, has a density of 1.185 g/mol. a) Calculate molar concentration of the solution. b) Find the weight percent of glycerol in the solution. c) What is the mole fraction of glycerol in the solution?
A 25.1 molal concentration of ammonia (NH3) in water has a density of 0.982 g/ml. What...
A 25.1 molal concentration of ammonia (NH3) in water has a density of 0.982 g/ml. What are the mass percent, molarity and mole concentration of ammonia in this solution.
Question 2 An aqueous solution of sodium carbonate, Na2CO3 (MM = 105.99 g/mol) has a density...
Question 2 An aqueous solution of sodium carbonate, Na2CO3 (MM = 105.99 g/mol) has a density of 1.43 g/mL and a molality of 14.2 m (or mol/kg). Calculate (i) the molarity of the solution, and (ii) the mole fraction of Na2CO3.
Density of an aqueous calcium chloride solution is 1.23 g per mL. If 30.0 grams of...
Density of an aqueous calcium chloride solution is 1.23 g per mL. If 30.0 grams of the solution are needed for a reaction, how many mL of the CaCl2 solution should be poured into the reaction vessel? (This question is about calculating the volume if given the mass and density). 36.9 ml 0.0369 ml 0.0004 ml 24.4 ml How many moles of magnesium, Mg, are there in 202 g of magnesium oxide, MgO? Report your answer to 3 significant figures!...
Question Part A A solution is prepared by dissolving 23.7 g of (111.0 g/mol) in 375...
Question Part A A solution is prepared by dissolving 23.7 g of (111.0 g/mol) in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of in this solution is ________ molarity Part B The freezing point of benzene C6H6 is 5.5000C at 1 atmosphere. In a laboratory experiment, students synthesized a new compound and found that when 12.70 grams of the compound were dissolved in 274.0 grams of benzene, the solution began to freeze...
5.4263 g of Na2CrO4 (MW = 161.97 g/mol) is dissolved in 100.0 mL of water. Assuming...
5.4263 g of Na2CrO4 (MW = 161.97 g/mol) is dissolved in 100.0 mL of water. Assuming the solution has a density of 1.00 g/mL, what is the concentration of Na (MW = 22.9898 g/mol) in the solution in units of a. molarity b. parts per thousand (ppt) c. 50.0 mL of the solution is then diluted to a final volume of 1000.0 mL. What is the concentration of Na in the diluted solution in units of parts per million (ppm)?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT