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Q. What is the molecular formula if the empirical formula is CH,0 and the molecular molar mass is 180.18? answer choices CH20 CH402 CAH&O4 CGH1206

Q. What is the molecular formula if the empirical formula is CH,0 and the molecular molar mass is 180.18? answer choices CH20 CH402 CAH&O4 CGH1206

Chemistry
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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3. Q. What is the molecular formula if the empirical formula is CH,0 and the molecular molar mass is 180.18? answer choices CH20 CH4O2 CAH&O4 C6H1206 4. A student used 0.55 g of aluminum and obtained 7.00 g alum, What is the theoretical yield of alum? What is the percent yield of alum? 10 1987 26 étv MacBook Air 80 000 000 DII F3 F4 F5 F6 F7 F8 # & 3 %24 23
Transcribed Image Text:3. Q. What is the molecular formula if the empirical formula is CH,0 and the molecular molar mass is 180.18? answer choices CH20 CH4O2 CAH&O4 C6H1206 4. A student used 0.55 g of aluminum and obtained 7.00 g alum, What is the theoretical yield of alum? What is the percent yield of alum? 10 1987 26 étv MacBook Air 80 000 000 DII F3 F4 F5 F6 F7 F8 # & 3 %24 23
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Note : As per our guidelines we are supposed to answer only one question .plz submit the other question as a separate question.

Given 

Molecular mass              = 180.18 gram/mole

Molecular formula         = ?

Empirical formula          = CH2O

Empirical Formula molar mass =  12 +( 2×1) + 16 

                                                 = 12 +2 + 16

                                                 = 30 gm/mole 

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