The correct answer for the addition of 8.5 g + 2.26 g + 1.311 g +2g1) 14.071 g2) 14 g3) 14.0 g4) 10 g5) 14.1 gis Use the information below to identify the substance that is weighed and submergedin water.8.24 g18.5 mL1) Aluminum2) bone3) cork4) wood5)sugar23.1 mLCork (0.26 g/mL) Wood (0.75 g/mL)Lead (11.3 g/mL) Gold (19.3 g/mL)Bone (1.80 g/mL) Aluminum (2.70g/mL) Sugar (1.59 g/mL) Ice (0.92g/mL)

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The correct answer for the addition of 8.5 g + 2.26 g + 1.311 g + 2 g is 1) 14.071 g 2) 14 g 3) 14.0 g 4) 10 g

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

The correct answer for the addition of 8.5 g + 2.26 g + 1.311 g +2g
1) 14.071 g
2) 14 g
3) 14.0 g
4) 10 g
5) 14.1 g
is

Use the information below to identify the substance that is weighed and submerged
in water.
8.24 g
18.5 mL
1) Aluminum
2) bone
3) cork
4) wood
5)
sugar
23.1 mL
Cork (0.26 g/mL) Wood (0.75 g/mL)
Lead (11.3 g/mL) Gold (19.3 g/mL)
Bone (1.80 g/mL) Aluminum (2.70
g/mL) Sugar (1.59 g/mL) Ice (0.92
g/mL)

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[References] Copper metal can be prepared by roasting copper ore, which can contain cuprite (Cu₂ S) and copper(II) sulfide. Cu₂ S (s) + O2(g) → 2 Cu(s) + SO2(g) CuS(s) + O₂(g) → Cu(s) + SO2(g) Suppose an ore sample contains 12.0% impurity in addition to a mixture of CuS and Cu₂ S. Heating 100.0 g of the mixture produces 75.7 g of copper metal with a purity of 88.2%. What is the weight percent of CuS in the ore? The weight percent of Cu₂S? Weight percent of CuS = 2 Weight percent of Cu₂S: Submit Answer = % % Try Another Version 9 item attempts remaining Cengage Learning Cengage Technical Support Previous Next Save and Exit
Volume of NaOH (ml) 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 11.00 12.00 13.00 14.00 15.00 28.00 28.50 29.00 PH 4.03 4.16 4.29 4.41 4.51 4.61 4.69 4.78 4.85 4.93 4.99 5.06 5.21 5.27 5.34 11.92 11.98 12.06 16.00 17.00 18.00 19.00 19.50 20.00 20.50 21.00 21.50 22.00 22.50 23.00 23.50 24.00 24.50 25.00 25.50 26.00 26.50 27.00 27.50 5.42 5.48 5.58 5.68 5.74 5.79 5.85 5.91 5.98 6.09 6.18 6.31 6.48 6.73 7.22 10.15 11.06 11.38 11.56 11.71 11.83 Titration of Monoprotic Acid Information Weight of unknown Monoprotic Acid = 0.5085 g that added with 100 mL of distilled water • Fill the burette with 0.1000 M of NaOH solution Questions Determine the pka of the unknown acid by identifying is weak acid or strong acid