3.49 The compound dimethyl phthalate, used in insect repellants, is composed of carbon, hydrogen, and oxygen and has a molar mass of 194.2 g/mol. A 0.2572-g sample of the compound was burned in a combustion apparatus and 0.583 g of CO2 and 0.119 g of H2O were collected. What is the molecular formula of dimethyl phthalate?
3.49 The compound dimethyl phthalate, used in insect repellants, is composed of carbon, hydrogen, and oxygen and has a molar mass of 194.2 g/mol. A 0.2572-g sample of the compound was burned in a combustion apparatus and 0.583 g of CO2 and 0.119 g of H2O were collected. What is the molecular formula of dimethyl phthalate?
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 49 please
![grams of M are in this sample of MF2?
(c) What element is represented by the symbol M?
3.47 A 0.370-mol sample of a metal oxide (M2O3) weighs 55.4 g.
(a) How many moles of O are in the sample?
(b) How many grams of M are in the sample?
(c) What element is represented by the symbol M?
e ele-
gne-
3.48 Menthol (M
in many cough drops, is a compound of carbon, hydrogen, and
oxygen. When 0.1595 g of menthol was burned in a combustion
apparatus, 0.449
menthol's molecular formula?
156.3 g/mol), the strong-smelling substance
nass
of CO2 and 0.184 g of H,0 formed. What is
-16
3.49 The compound dimethyl phthalate, used in insect repellants,
is composed of carbon, hydrogen, and oxygen and has a molar
mass of 194.2 g/mol. A 0.2572-g sample of the compound was
burned in a combustion apparatus and 0.583 g of CO2 and 0.119 g
of H,O were collected. What is the molecular formula of dimethyl
phthalate?
ass
16
he
he
Problems in Context
3.50 Nicotine is a poisonous, addictive compound found in to-
bacco. A sample of nicotine contains 6.16 mmol of C, 8.56 mmol
of H, and 1.23 mmol of N [1 mmol (1 millimole) = 10 mol].
What is the empirical formula of nicotine?
%3D
3.51 Cortisol (M = 362.47 g/mol) is a steroid hormone involved
in protein synthesis. Medically, it has a major use in reducing
inflammation from rheumatoid arthritis. Cortisol is 69.6% C,
8.34% H, and 22.1% O by mass. What is its molecular formula?
3.52 Acetaminophen (below) is a popular nonaspirin pain re-
liever. What is the mass % of each element in acetaminophen?
H-
C
N-](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F878f7b50-6050-483a-af47-6a6f18eb659f%2Fd9176070-579e-460c-b149-3f96dd5d9bba%2Fccoswtw_processed.jpeg&w=3840&q=75)
Transcribed Image Text:grams of M are in this sample of MF2?
(c) What element is represented by the symbol M?
3.47 A 0.370-mol sample of a metal oxide (M2O3) weighs 55.4 g.
(a) How many moles of O are in the sample?
(b) How many grams of M are in the sample?
(c) What element is represented by the symbol M?
e ele-
gne-
3.48 Menthol (M
in many cough drops, is a compound of carbon, hydrogen, and
oxygen. When 0.1595 g of menthol was burned in a combustion
apparatus, 0.449
menthol's molecular formula?
156.3 g/mol), the strong-smelling substance
nass
of CO2 and 0.184 g of H,0 formed. What is
-16
3.49 The compound dimethyl phthalate, used in insect repellants,
is composed of carbon, hydrogen, and oxygen and has a molar
mass of 194.2 g/mol. A 0.2572-g sample of the compound was
burned in a combustion apparatus and 0.583 g of CO2 and 0.119 g
of H,O were collected. What is the molecular formula of dimethyl
phthalate?
ass
16
he
he
Problems in Context
3.50 Nicotine is a poisonous, addictive compound found in to-
bacco. A sample of nicotine contains 6.16 mmol of C, 8.56 mmol
of H, and 1.23 mmol of N [1 mmol (1 millimole) = 10 mol].
What is the empirical formula of nicotine?
%3D
3.51 Cortisol (M = 362.47 g/mol) is a steroid hormone involved
in protein synthesis. Medically, it has a major use in reducing
inflammation from rheumatoid arthritis. Cortisol is 69.6% C,
8.34% H, and 22.1% O by mass. What is its molecular formula?
3.52 Acetaminophen (below) is a popular nonaspirin pain re-
liever. What is the mass % of each element in acetaminophen?
H-
C
N-
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