ZuoTi.Pro
Question

Post-lab Questions 1. Calculate the molar mass of H2O and CuSO4 (Relative atomic masses). Express your answers in grams per m
science   chemistry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Solution & molar mass of H₂O element atomic mass H 101 16 noe of atoms 2 16 So molor marsa tho = (2x101) of (16x)) = 18.02 glmolor mass of element room ca Casoa atomic mass 63.55 no. of atoms I RA S 32.06 1 16.00 4 indor mass of Casoa = (1x6358) + (1

0 0
Add a comment
Know the answer?
Add Answer to:
Post-lab Questions 1. Calculate the molar mass of H2O and CuSO4 (Relative atomic masses). Express your...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Post-lab Questions 1. Calculate the molar mass of H2O and CuSOs (Relative atomic masses). Express your...

    Post-lab Questions 1. Calculate the molar mass of H2O and CuSOs (Relative atomic masses). Express your answers in grams per mole to the nearest hundredth (t 0.01 g/mol). Show your work Calculate the mass of water driven off and the mass of copper (II) sulfate formed in your 2. experiment. Express your answers in grams to the nearest hundredth (t 0.01 g). Show your work. pper 3. Calculate the number of moles of copper (II) sulfate present. Express your answer...

  • 2. Using the data from the experiment, calculate the mass of copper (II) sulfate residue and...

    2. Using the data from the experiment, calculate the mass of copper (II) sulfate residue and the mass of water (Items 5 and 6 from the Data Form). Express your answers in grams to the nearest hundredth (+ 0.01 g). Show your work. 3. Calculate the moles of copper (II) sulfate present from the mass of the copper (II) sulfate. Express your answer in moles as three significant digits. Show your work. 4. Calculate the moles of water driven off...

  • please help me solve all 3! Thank you in advance A 15.67 g of a hydrate...

    please help me solve all 3! Thank you in advance A 15.67 g of a hydrate of magnesium carbonate was carefully heated to drive off the waters of hydration. The mass was reduced to 7.58 g after the water was driven off. What is the molecular formula of this hydrate? Complete the molecular formula by choosing the appropriate coefficient below: MgCoz v H20 Checl OVO AWN Next page Silver nitrate has the molecular formula AgNO3. In a 216.8 g sample...

  • Calculate the number of moles of HCN produced when 12.4 moles of Ozare consumed. Express your...

    Calculate the number of moles of HCN produced when 12.4 moles of Ozare consumed. Express your answer using three significant figures. 2 NH3 • 2 CH4 + 3O2--> 2 HCN + 6 H2O Calculate the number of moles of HCN produced when 12.4 moles of Ozare consumed. Express your answer using three significant figures. 2 NH3. 2 CH4 + 3O2--> 2 HCN + 6 Hao Calculate the mass of NO2, in grams, needed to completely react with 25.9 grams of...

  • Magnesium chloride commonly occurs as a hexahydrate. a. (5 pt) Write the chemical formula for magnesium...

    Magnesium chloride commonly occurs as a hexahydrate. a. (5 pt) Write the chemical formula for magnesium chloride hexahydrate. (10 pt) Calculate the formula weight for magnesium chloride hexahydrate. Express your answer in atomic mass units to the nearest hundreth of an amu Show your work. b. 0.01 amu). (10 pt) Calculate the percent by mass of magnesium chloride in magnesium chloride hexahydrate. Express your answer in % as three significant digits. Show your work. c. (10 pt) Calculate the percent...

  • 3CuCl2(aq) + 2Al(s) + 3Cu(s) + 2AlCl3(aq) (Equation 1) 1. Find the atomic masses of copper...

    3CuCl2(aq) + 2Al(s) + 3Cu(s) + 2AlCl3(aq) (Equation 1) 1. Find the atomic masses of copper and chlorine, and the calculate the molar mass of CuCl2. Keep THREE decimal places. Show all work and units: Molar mass of Cu: Molar Mass of Cl: Molar mass of CuCl2 2. If Sarah and Olivia used 2.000 grams CuCl2(s) and excess amount of aluminum, what's the theoretical yield of copper according to Equation 1? Show all work. 3. If they actually collected 0.8177...

  • Calculate the mass of NH3, in grams, require to produce 96.5 moles of water. Express your...

    Calculate the mass of NH3, in grams, require to produce 96.5 moles of water. Express your answer using three significant figures. 2 NH3 • 2 CH4 • 3 O2--> 2 HCN + 6 Hao

  • What is the mass, in grams, of 1.50 mol of iron (III) sulfate? Express your answer...

    What is the mass, in grams, of 1.50 mol of iron (III) sulfate? Express your answer using three significant figures. How many moles of ammonium ions are in 6.935 g of ammonium carbonate? Express your answer using four significant figures. What is the mass, in grams, of 1.40 times 10^21 molecules of aspirin, C_9H_8O_4? Express your answer using three significant figures.

  • Introduction The chemical reactions involved in this experiment are: CuSO4(aq) + Zn(s) → ZnSO4(aq) + Cu(s)...

    Introduction The chemical reactions involved in this experiment are: CuSO4(aq) + Zn(s) → ZnSO4(aq) + Cu(s) Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g) The copper on the surface quickly reacts with oxygen according to the following reaction: 2Cu(s) + O2(g) → 2CuO(s) Experimental Procedure Dissolve completely about 0.5 to 0.7 g of copper (II) sulphate pentahydrate in about 10 to 20 mL of deionized water. Calculate the amount of zinc powder that must be added to a copper sulfate solution...

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