ZuoTi.Pro
Question

-1.156 mol Arkansas Scholastic Press STATION 3 This clement is tin. The mass of one mole of tin is 118.71. The mass of this t
science   Advanced-Physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

STATION 5

\! \! \! \! \! \! \! \! \! $Mass of one mole of Zn, $M(Zn) = 65.38$ g/mol $\\\\ $Mass of one mole of copper, $M(Cu) = 63.546$ g/mol $ \\\\ $Mass of brass sample, $M = 207.3$g $ \\\\ $Mass of copper in the brass sample $= 67\%$ of $207.3$g $ = \frac{67}{100}\times 207.3=138.89$g$\\\\ $Mass of zinc in the brass sample $= 33\%$ of $207.3$g $ = \frac{33}{100}\times 207.3=68.41$g$\\\\ $Number of moles of copper $= \frac{138.89}{63.546} = 2.19\\\\ $Number of moles of zinc $ = \frac{68.41}{65.38}=1.05\\\\ $Number of atoms of copper $= 2.19\times 6.02\times 10^{23} = 1.32\times 10^{24}\\\\ $Number of atoms of zinc $ =1.05\times 6.02\times 10^{23}= 6.32\times 10^{23}

0 0
Add a comment
Know the answer?
Add Answer to:
-1.156 mol Arkansas Scholastic Press STATION 3 This clement is tin. The mass of one mole...
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

  • section 5 1.156 mol Arkansas Scholastic Press STATION 3 This clement is tin. The mass of...

    section 5 1.156 mol Arkansas Scholastic Press STATION 3 This clement is tin. The mass of one mole of tin is 118.71. The mass of this tin sample is. 137.29 Calculation of the number of moles of tin in this sample. 137.25 €118.71 g/mol = 115675 Calculation of the number of atoms of tin in this sample, 1.156 mol X 16.02 x 1023 atomo/mol =6,959 atoms STATION 4 This element is aluminum. The mass of one mole of aluminum is...

  • Unknown Atomic Mass (g/mol) Density (g/cm3) Aluminum Copper Iron Lead Tin 26.982 63.546 55.847 207.20 118.69...

    Unknown Atomic Mass (g/mol) Density (g/cm3) Aluminum Copper Iron Lead Tin 26.982 63.546 55.847 207.20 118.69 2.70 8.92 7.86 11.34 7.28 An unknown metal sample has a mass of 24.05 g and a volume of 3.06 mL. Consult the table to identify the unknown and calculate the molar volume (cm3/mole) of the unknown metal sample. Record your answer to three significant figures. cm3/mol mit Answer

  • d. Pb 6-31 Determine the mass, in grams, of each of the following quantities of substance....

    d. Pb 6-31 Determine the mass, in grams, of each of the following quantities of substance. a. 6.02 x 102 copper atoms SIVULLU Determine the number of moles of substance present in each of the following quantities. a. 10.0 g He b. 10.0 g NO c. 4.0 X 1010 atoms P 1 LII01 II 6-37 Determine the number of grams of sulfur present of the following quantities. a. 3.01 x 1023 S O molecules b. 3 SNA molecules c. 2.00...

  • One molecule of ozone, O3, contains three oxygen atoms. Similarly, 1 mole of ozone contains 3...

    One molecule of ozone, O3, contains three oxygen atoms. Similarly, 1 mole of ozone contains 3 moles of oxygen atoms. We can use this mole ratio to create two conversion factors: 3 moles O1 mole O3 and 1 mole O33 moles O Here's how to find the number of moles of oxygen atoms in 2 moles of ozone: 2 moles O3×3 moles O1 mole O3= 6 moles O Part A Calculate the number of moles of aluminum, sulfur, and oxygen...

  • 2. Using the data listed for aluminum in Table 1, a. Calculate the volume of one...

    2. Using the data listed for aluminum in Table 1, a. Calculate the volume of one aluminum atom, va b. Calculate the volume of one mole of aluminum atoms, Vm in the liquid element. Table 1. Physical Properties of Some Common Elements Element Radius (cm) Density (of liquid) (g/mL) 6.98 7.81 Iron, Fe Nickle, Ni Copper, Cu Aluminum, Al Silver, Ag Lead, Pb Atomic Mass (g/mol) 55.845 58.693 63.546 26.98 107.87 207.2 1.56 x 10-8 1.63 x 108 1.40 x...

  • molar mass of CoCl2: 6 H2O = 237.99 g/mol : 1 mole of Cola: 6H2O =...

    molar mass of CoCl2: 6 H2O = 237.99 g/mol : 1 mole of Cola: 6H2O = 237.93 g : 0.160 g = (0.160*!) mole of CoCl2CH2O 237.93) = 0.000672 mole 0.672 momol coola Co2+ + aci . conc. of Co2+ = 0.642 mmol conc. of C1 = 2X0672. = 1.344 01001 We were unable to transcribe this imageDATA SHEET 11.1 Baron Bobinen Done 10/2419 Data Analysis and Calculations PART B Preparing the Solutions and Cuvettes Mass of Cocl, 64,0:0.160 Determine...

  • Prelaboratory Assignment: Analysis of an Aluminum-Zinc Alloy having a difficult time figuring out how to tackle...

    Prelaboratory Assignment: Analysis of an Aluminum-Zinc Alloy having a difficult time figuring out how to tackle the following: please help! thank you. equation 5 is included in here Name: Date: Section: Prelaboratory Assignment: Analysis of an Aluminum-Zinc Alloy 1. On the following page, construct a graph of N vs % AL. To do this, refer to equation 5 and the discussion preceding it. Calculate for % Al=0.25.50.75, and 100. Place these points on the graph and Draw the best straight...

  • 1.   Choose the correct answer(s) to complete the following statement: One mole of oxygen (O2) gas...

    1.   Choose the correct answer(s) to complete the following statement: One mole of oxygen (O2) gas is equivalent to _____________________. I. 6.022 × 1023 molecules of oxygen II. 6.022 × 1023 atoms of oxygen III. one mole of oxygen atoms IV. two moles of oxygen atoms 2. 50.0 g of Cl2 contains ________ mol Cl2. a. 0.705 b.1.41 c. 4.24 × 1023 d. 1775 e. 50.0 3. The number of grams in 0.350 mol of Na is a. 11.0. b....

  • m105%20Makeup%20Exam%20(2).pdf 31) 31) To convert a given number of moles into the number of atoms, one...

    m105%20Makeup%20Exam%20(2).pdf 31) 31) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/I mol B) 1 mol/6.022 1023 atoms C) molar mass D) 6.022 * 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 3 2) 32) How many atoms of sulfur are present in a 155 g sample of sulfur? [Molar mass: S 32.06 g/mol) A) 6.02 x 1023 atoms B) 2.91 x...

  • One molecule of Orone, Os. contains three oxygen atoms. Similarly, 1 mole of ozone contains 3...

    One molecule of Orone, Os. contains three oxygen atoms. Similarly, 1 mole of ozone contains 3 moles of oxygen Review Constants 1 Periodic Table Calculate the number of moles of aluminum, suitur, and oxygen atoms in 5.00 moles of aluminum sulfate, Al(SO) Express the number of moles of Al, S, and Oatoma numerically, separated by commas. View Available Hints) We can use this mole ratio to create two conversion factors Os 3 mm Imole Oy EVO AED ROE? Here's how...

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