Question

QUESTIONS Experiment 6 Determination of Chemical Formule 43 PRE LAB A sample of a compound made entirely from copper and oxyg
0 0
Add a comment Improve this question Transcribed image text
Answer #1

Mass of containing Co and o compound a. 143lg is Mass of the copper in the compound is 0.1271g Mass of the oxygen in the comp= 0.002251912. moles Number of molex of copper in sample = 0.002251912. males ( mass of oxygen in sample: Mass of oxygen in s0.016g 15.999 g/mol = 0.000000 625 mol i Number of moles of oxygen in sample = 0. colco 00 605 moles Cd) Number of nolex of cformula ap the sample . The is empesical cuzo If can molecules detect the mass is given, then we molecules mash formula. rati

Add a comment
Know the answer?
Add Answer to:
QUESTIONS Experiment 6 Determination of Chemical Formule 43 PRE LAB A sample of a compound made...
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
  • Pre-lab Questions for Experiment-7 Hydrates and the Determination of the Formula of a Hydrate 1) What...

    Pre-lab Questions for Experiment-7 Hydrates and the Determination of the Formula of a Hydrate 1) What is the color for anhydrous salt of copper (ID) sulfate (CuSO.)? What is the color for ionic hydrate compound of copper (II) sulfate pentahydrate (CuSO4 5H20)? 2) How would you test a colorless rystalline compound to determine if it was a hydrate? 3 1.2008 g of a hydrate of CuSO4" XH O after heated has a mass of 0.7676 g. Calculate the mass percent...

  • can you show all the steps can you calculate mole of water ,mass of chlorine in sample, moles of chlorine, mole ra...

    can you show all the steps can you calculate mole of water ,mass of chlorine in sample, moles of chlorine, mole ration ,chlorine : copper in sample , formaula of degydrated sample and formula of hudrated sample using the data from page 1 26 Experiment 4 Determination of a Chemical Formula Moles of water moles Mass of chlorine in sample (by difference) Moles of chlorine moles Mole ratio, chlorine:copper in sample :1 Mole ratio, water.copper in hydrated sample :1 Formula...

  • Chemistry Lab Need help with the questions Experiment 1                                  

    Chemistry Lab Need help with the questions Experiment 1                                                                                                                 Trial 1                    Trial 2                    Trial 3    a) Mass of copper (g)                                                                          10g                         15g                         20g b) Moles of copper (mol)                                                                   0.157 mol              0.236 mol              0.314 mol c) Mass of copper and crucible (g)                                                   98.000g                 103.000g               108.000g d) Mass of copper oxide and the crucible (g)                                 100.518g               106.777g               113.035g e) Mass of oxygen gained from reaction (g)                                   2.518g                    3.777g                    15.035g f) Moles of oxygen...

  • Date Section Name Team Shiny, light grey_n boon 36.74 REPORT SHEET LAB Moles and Chemical Formulas...

    Date Section Name Team Shiny, light grey_n boon 36.74 REPORT SHEET LAB Moles and Chemical Formulas 110 A. Finding the Simplest Formula 36.58 1. Mass of empty crucible + cover 2. Initial appearance of the magnesium 3. Mass of crucible + cover + magnesium 4. Mass of crucible + cover + oxide product - 36.94 Calculations 5. Mass of magnesium 6. Mass of magnesium compound 7. Mass of oxygen in the product 8. Moles of Mg - mole (Show calculations.)...

  • Chemistry 172 pre-lab questions 1. ch aspirin was made from a lab experiment. Preparation of Aspirin...

    Chemistry 172 pre-lab questions 1. ch aspirin was made from a lab experiment. Preparation of Aspirin A student would like to determine how much aspirin was made from The following is the lab data: Mass of flask 73.86 g Mass of flask & salicylic acid 77.88 g Mass of salicylic acid 4.02 g Mass of watch glass + filter paper 34.63 Mass of watch glass, filter paper & aspirin 38.29 g a. How much aspirin was made? b. The mass...

  • Calculate the heat evolved when 0.500 g of Cl, (g) reacts with an excess of HBr...

    Calculate the heat evolved when 0.500 g of Cl, (g) reacts with an excess of HBr (g) to form HCI (g) and Br, (0, given the following standard enthalpies of formation (kJ/mol): HCI (B), - 92.30; HBr (g), -36.20. Ryan Experiment 4 Advance Study Assignment: Determination of a Chemical Formula 1. To find the mass of a mole of an element, one looks up the atomic mass of the element in a table of atomic masses (see Appendix III or...

  • DETERMINATION OF THE MASS OF MAGNESIUM METAL IN A SAMPLE EXPERIMENT 12 PRE-LAB QUESTIONS Fully answer these questio...

    DETERMINATION OF THE MASS OF MAGNESIUM METAL IN A SAMPLE EXPERIMENT 12 PRE-LAB QUESTIONS Fully answer these questions in your laboratory notebook before coming to lab. Show all work for numerical calculations. 1. How many moles of hydrogen are present in a 43.50 mL sample at 25.5 °C and 772.8 torr? (assume the hydrogen is dry) 2. What is the mass of a piece of magnesium wire which produces 38.25 mL of hydrogen gas collected over water at 22.0 °C...

  • Answer all please! CHM24100 Experiment s Chemical Reactions and Equations Name PRE LAB For Experiment 5...

    Answer all please! CHM24100 Experiment s Chemical Reactions and Equations Name PRE LAB For Experiment 5 pre-lab, you will need to include purpose, table of chemical reactants and all balanced chemical reactions that take place during the experiment. Preparing the data tables before lab will ensure that you are not rushed and that your data will be in an easy to read manner. Instructor Initials for Successful Pre-lab Notebook: 1. State the Law of Conservation of Mass 2. In this...

  • Experiment 4. Determination of a Formula Read Lab Manual Experiment 4 Determination of Formula (pp 25-29)...

    Experiment 4. Determination of a Formula Read Lab Manual Experiment 4 Determination of Formula (pp 25-29) before watching video and attempting this exercise. Use the provided data to complete the worksheet. Experiment 4. Determination of a Formula Data Mass (g) 30.857 31.357 Empty crucible w/lid Crucible w/lid and magnesium turnings Crucible w/lid and magnesium oxide initial 31.667 31.666 Crucible w/lid and magnesium oxide (final wt Calculations (You must provide word formula and numerical calculation) 1. Mass of magnesium - 2.Calculated...

  • Lab #19; Empirical Formula of Magnesium Hydroxide Pre-Lab Questions Name: Heating 1.29 g of gallium gives...

    Lab #19; Empirical Formula of Magnesium Hydroxide Pre-Lab Questions Name: Heating 1.29 g of gallium gives a gallium-oxygen compound with a mass of 1.739 Calculate the empirical formula of the compound. Step 1: Figure out how many grams of oxygen are in the 1.73 grams of gallium-oxygen compound. Step 2: Convert the 1.29 g of gallium to moles: Step 3: Convert the grams of oxygen you calculated in step 1 to moles: Step 4: Figure out the formula. Formula Name

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