MasteringChemistry: Ch X https://session.masteringchemistry.com/myct/itemView?assignmentProblemID-126150421 Ellis Fall 2019 Chemistry B11

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
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Chapter7: Statistical Data Treatment And Evaluation
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MasteringChemistry: Ch X
https://session.masteringchemistry.com/myct/itemView?assignmentProblemID-126150421
Ellis Fall 2019
Chemistry B11
<Chapter 7 - 1
Problem 7.112
A toothpaste contains 0.228y by mass sodium fluoride used to prevent dental caries
and 5.4% by mass KNO,, which decreases pain sensitivity. One tube contains 119
g of toothpaste.
Part A
How many moles of Nal are in the tube of toathpaste?
Express your answer using three significant figures.
AEO
Sensodyne
mol Na
Submit
Request Answer
Part B
are in the tube of toothpaste?
How many flucoride ions, l
Express your answer using three significant figures.
AX
fluoride ic
Subrnit
BaquestAnsat
Part C
Hew many grams of sodium ion, Na. 2re in 2 45 4 of toothpaste?
e
Type here to search
TOSHIBA
II
Transcribed Image Text:MasteringChemistry: Ch X https://session.masteringchemistry.com/myct/itemView?assignmentProblemID-126150421 Ellis Fall 2019 Chemistry B11 <Chapter 7 - 1 Problem 7.112 A toothpaste contains 0.228y by mass sodium fluoride used to prevent dental caries and 5.4% by mass KNO,, which decreases pain sensitivity. One tube contains 119 g of toothpaste. Part A How many moles of Nal are in the tube of toathpaste? Express your answer using three significant figures. AEO Sensodyne mol Na Submit Request Answer Part B are in the tube of toothpaste? How many flucoride ions, l Express your answer using three significant figures. AX fluoride ic Subrnit BaquestAnsat Part C Hew many grams of sodium ion, Na. 2re in 2 45 4 of toothpaste? e Type here to search TOSHIBA II
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