Borax (boron), Na2B4O7.10H2O (Sodium tetraborate decahydrate, the 10 in front of the water means there are 10 water molecules associated with every sodium tetraborate unit). a) Calculate the mass percent composition of BORON in Borax. b.) Use percent boron to calculate the grams of boron in a four-pound box of borax. c.) Calculate grams boron in 4 lbs borax by an alternate method that doesn't use the percentage from 1. (Hint: This method will only use dimensional analysis.)
Borax (boron), Na2B4O7.10H2O (Sodium tetraborate decahydrate, the 10 in front of the water means there are 10 water molecules associated with every sodium tetraborate unit). a) Calculate the mass percent composition of BORON in Borax. b.) Use percent boron to calculate the grams of boron in a four-pound box of borax. c.) Calculate grams boron in 4 lbs borax by an alternate method that doesn't use the percentage from 1. (Hint: This method will only use dimensional analysis.)
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter9: Chemical Quantities
Section: Chapter Questions
Problem 7CR
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Borax (boron), Na2B4O7.10H2O (Sodium tetraborate decahydrate, the 10 in front of the water means there are 10 water molecules associated with every sodium tetraborate unit).
a) Calculate the mass percent composition of BORON in Borax.
b.) Use percent boron to calculate the grams of boron in a four-pound box of borax.
c.) Calculate grams boron in 4 lbs borax by an alternate method that doesn't use the percentage from 1. (Hint: This method will only use dimensional analysis.)
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