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Concept explainers
Calculate the percent by mass of the element listed first in the formulas for each of the following compounds.
methane,
sodium nitrate,
carbon monoxide,
nitrogen dioxide,
1-octanol,
calcium phosphate,
3-phenyiphenol,
aluminum acetate,
![Check Mark](/static/check-mark.png)
(a)
Interpretation:
Thepercent by mass of element listed first in the formula of a compound should be calculated.
Concept Introduction:
A chemical compound is a collection of several atoms. Molar masses of each atom collectively provide the molar mass of that compound.
Mass fraction for a given element can be converted into mass percent by multiplying
Answer to Problem 47QAP
Explanation of Solution
A chemical compound is a collection of several atoms. Molar masses of each and every atom collectively provide the molar mass of that compound.
Mass fraction for a given element can be converted into mass percent by multiplying
Mass of the carbon present in
Mass percent of
![Check Mark](/static/check-mark.png)
(b)
Interpretation:
The percent by mass of element listed first in the formula of a compound should be calculated.
Concept Introduction:
A chemical compound is a collection of several atoms. Molar masses of each atom collectively provide the molar mass of that compound.
Mass fraction for a given element can be converted into mass percent by multiplying
Answer to Problem 47QAP
Explanation of Solution
Mass of the sodium present in
Mass percent of
![Check Mark](/static/check-mark.png)
(c)
Interpretation:
The percent by mass of element listed first in the formula of a compound should be calculated.
Concept Introduction:
A chemical compound is a collection of several atoms. Molar masses of each atom collectively provide the molar mass of that compound.
Mass fraction for a given element can be converted into mass percent by multiplying
Answer to Problem 47QAP
Explanation of Solution
Mass of the carbon present in
Mass percent of
![Check Mark](/static/check-mark.png)
(d)
Interpretation:
The percent by mass of element listed first in the formula of a compound should be calculated.
Concept Introduction:
A chemical compound is a collection of several atoms. Molar masses of each atom collectively provide the molar mass of that compound.
Mass fraction for a given element can be converted into mass percent by multiplying
Answer to Problem 47QAP
Explanation of Solution
Mass of the nitrogen present in
Mass percent of
![Check Mark](/static/check-mark.png)
(e)
Interpretation:
The percent by mass of element listed first in the formula of a compound should be calculated.
Concept Introduction:
A chemical compound is a collection of several atoms. Molar masses of each atom collectively provide the molar mass of that compound.
Mass fraction for a given element can be converted into mass percent by multiplying
Answer to Problem 47QAP
Explanation of Solution
Mass of the carbon present in
Mass percent of
![Check Mark](/static/check-mark.png)
(f)
Interpretation:
The percent by mass of element listed first in the formula of a compound should be calculated.
Concept Introduction:
A chemical compound is a collection of several atoms. Molar masses of each atom collectively provide the molar mass of that compound.
Mass fraction for a given element can be converted into mass percent by multiplying
Answer to Problem 47QAP
Explanation of Solution
Mass of the calcium present in
Mass percent of
![Check Mark](/static/check-mark.png)
(g)
Interpretation:
The percent by mass of element listed first in the formula of a compound should be calculated.
Concept Introduction:
A chemical compound is a collection of several atoms. Molar masses of each atom collectively provide the molar mass of that compound.
Mass fraction for a given element can be converted into mass percent by multiplying
Answer to Problem 47QAP
Explanation of Solution
Mass of the carbon present in
Mass percent of
![Check Mark](/static/check-mark.png)
(h)
Interpretation:
The percent by mass of element listed first in the formula of a compound should be calculated.
Concept Introduction:
A chemical compound is a collection of several atoms. Molar masses of each atom collectively provide the molar mass of that compound.
Mass fraction for a given element can be converted into mass percent by multiplying
Answer to Problem 47QAP
Explanation of Solution
Mass of the aluminum present in
Mass percent of
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Chapter 8 Solutions
Introductory Chemistry: A Foundation
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- In the drawing areas below, draw the two most expected stable conformations of the following molecule: ייון Be sure your drawings make it possible to distinguish between the conformations. After you've drawn the conformations, answer the question below the drawing areas. Х S : ☐ ☑ 5arrow_forwardDraw the structure of the organic reactant, and write the chemical formula of the reagent used to form the given product. Click and drag to start drawing a structure. + T ☑ OH NO₂ NO2arrow_forwardNonearrow_forward
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