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1: What is the molar concentration of a 4% solution of borax? (sodium tetraborate decahydrate, Na2B4O7·10H2O) Group of answer choices A:1.5 x 10^4 M B:65.8 M C:1.049 M D:0.1049 M   2: Calculate the approximate length of PVA strand assuming that each monomer unit contributes two carbon atom diameters to the length. (1 carbon atom diameter = 154 picometers) Group of answer choices A:5.46 x 10^7 nm B:5.46 m C:308 pm D:5.46 x 10^5 pm   3: Calculate and compare the number of strands of PVA in 1.00 L of 4% PVA and the number of tetrahydroxyborate ions in 1.00 L a 4% solution of borax. Group of answer choices A:Borax has more strands than PVA B:Borax has approx. 409 more ions than PVA strands C:PVA has approx. 409 more strands than Borax ions D:Borax has approx. 209 more ions than PVA strands

1: What is the molar concentration of a 4% solution of borax? (sodium tetraborate decahydrate, Na2B4O7·10H2O) Group of answer choices A:1.5 x 10^4 M B:65.8 M C:1.049 M D:0.1049 M   2: Calculate the approximate length of PVA strand assuming that each monomer unit contributes two carbon atom diameters to the length. (1 carbon atom diameter = 154 picometers) Group of answer choices A:5.46 x 10^7 nm B:5.46 m C:308 pm D:5.46 x 10^5 pm   3: Calculate and compare the number of strands of PVA in 1.00 L of 4% PVA and the number of tetrahydroxyborate ions in 1.00 L a 4% solution of borax. Group of answer choices A:Borax has more strands than PVA B:Borax has approx. 409 more ions than PVA strands C:PVA has approx. 409 more strands than Borax ions D:Borax has approx. 209 more ions than PVA strands

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter10: Fuels, Organic Chemicals, And Polymers
Section: Chapter Questions
Problem 119QRT
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1: What is the molar concentration of a 4% solution of borax? (sodium tetraborate decahydrate, Na2B4O7·10H2O)

Group of answer choices
A:1.5 x 10^4 M
B:65.8 M
C:1.049 M
D:0.1049 M
 
2:

Calculate the approximate length of PVA strand assuming that each monomer unit contributes two carbon atom diameters to the length. (1 carbon atom diameter = 154 picometers)

Group of answer choices
A:5.46 x 10^7 nm
B:5.46 m
C:308 pm
D:5.46 x 10^5 pm
 
3:

Calculate and compare the number of strands of PVA in 1.00 L of 4% PVA and the number of tetrahydroxyborate ions in 1.00 L a 4% solution of borax.

Group of answer choices

A:Borax has more strands than PVA

B:Borax has approx. 409 more ions than PVA strands
C:PVA has approx. 409 more strands than Borax ions
D:Borax has approx. 209 more ions than PVA strands
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