d. How many KNO3 formula units are in the tube of toothpaste?How many grams of sodium ion, Na", are in 1.50 g o7.112 A toothpaste contains 0.240% by mass sodium fluoride usedd. How many grams of A,O3 are produced when 50.2 g of Alreaction.nyof Al?moles of O2are needed to react with 4.50 molese. When Al is reacted with 8.00 g of O2, how many grams ofmoles of O2 are needed to react with 4.50 molesreacts?Al203 can form?10.007.112 A toothpaste contains 0.240% by mass sodium fluoride usedto prevent dental caries and 5.0% by mass KNO3, whichdecreases pain sensitivity. One tube contains 119 g of tooth-paste. (7.1, 7.2)NaF and KNO3 areMAAUM STRENGIHFlorideSensodynecomponents found intoothpastes.a. How many moles of NaF are in the tube of toothpaste?b. How many fluoride ions, F , are in the tube of toothpaste?c. How many grams of sodium ion, Na", are in 1.50 g oftoothpaste?d How many KNO3 formula units are in the tube of toothpaste?evercise and workouts, lactic acid, CHOControl

Answered: ICs of O, are needed to react with 4.50…

ICs of O, are needed to react with 4.50 moles THow many grams of AlO, are produced when 50.2 g o1 AT reacts? e. of Al2O3 can form? 112 A tooth

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 83AP

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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

d. How many KNO3 formula units are in the tube of toothpaste?
How many grams of sodium ion, Na", are in 1.50 g o
7.112 A toothpaste contains 0.240% by mass sodium fluoride used
d. How many grams of A,O3 are produced when 50.2 g of Al
rea
ction.
ny
of Al?
moles of O2
are needed to react with 4.50 moles
e. When Al is reacted with 8.00 g of O2, how many grams of
moles of O2 are needed to react with 4.50 moles
reacts?
Al203 can form?
10.00
7.112 A toothpaste contains 0.240% by mass sodium fluoride used
to prevent dental caries and 5.0% by mass KNO3, which
decreases pain sensitivity. One tube contains 119 g of tooth-
paste. (7.1, 7.2)
NaF and KNO3 are
MAAUM STRENGIH
Floride
Sensodyne
components found in
toothpastes.
a. How many moles of NaF are in the tube of toothpaste?
b. How many fluoride ions, F , are in the tube of toothpaste?
c. How many grams of sodium ion, Na", are in 1.50 g of
toothpaste?
d How many KNO3 formula units are in the tube of toothpaste?
evercise and workouts, lactic acid, CHO
Control

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