How many moles of chalk (CaCO3) does it take to write your name on the chalkboard? Follow the instructions in the data table to determine the moles of chalk in your name. Mass of a piece of chalk Mass of chalk after writing name on the board Mass of chalk used to write your name Calculate the molar mass of Chalk (CaCO3) alculate the amber of moles used to write your name 38.909 38.35, .05g. 40.378 + 12.0107 +15.4994 = 100.0869 g/mol

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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How would I calculate the number of moles used to write my name? All the needed info is in the table I think.
Procedure Part B:
How many moles of chalk (CaCO3) does it take to write your name on the chalkboard? Follow the
instructions in the data table to determine the moles of chalk in your name.
1
Mass of a piece
of chalk
Mass of chalk
after writing
name on the
board
Mass of chalk
used to write
your name
Calculate the
molar mass of
Chalk (CaCO3)
alculate the
imber of
moles used to
write your
name
38.35の
.05g.
40.378 + 12.0107 +15.9994 = 100.0869 g/mol
2. How many formula units of chalk are in your name? Show your work! (formula units are a type of
particle)
3. How many atoms of Oxygen are in the chalk in your name? Show your work!
Transcribed Image Text:Procedure Part B: How many moles of chalk (CaCO3) does it take to write your name on the chalkboard? Follow the instructions in the data table to determine the moles of chalk in your name. 1 Mass of a piece of chalk Mass of chalk after writing name on the board Mass of chalk used to write your name Calculate the molar mass of Chalk (CaCO3) alculate the imber of moles used to write your name 38.35の .05g. 40.378 + 12.0107 +15.9994 = 100.0869 g/mol 2. How many formula units of chalk are in your name? Show your work! (formula units are a type of particle) 3. How many atoms of Oxygen are in the chalk in your name? Show your work!
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