Molecules of Caco, 100 g/mol Atoms of Ca Atoms of C Atoms of 0 Total atoms

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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BIUA*
Russo One
12
Crayon
CaHs2
352 g
=352 g/mol
NA molecules
stions
(1) A chemist needs 1.25 moles of sugar lo dissolve in 1iter of water. How many grams of sugar will the chemist need?
1 mol of sugar (12x6) (1x12)+(16x6)-180g
1.25 mol of sugar 125X180 225g
(2) From the calculated number of molecules of calcium carbonate (Caco)n a piece of chak, determine the tctal numb
each of the elements within your piece of chak, calcium. carbon, and oxygen. How many atoms in tocal are present?
Molecules of CaCo, 100 g/mol|
Roms of Ca.
Atoms of C
Atoms of 0
Ttal atoms.
(3) The amount of iron required per day for the average person is 0.015g. How many atoms.ot iron is this?
Roms of Fe 56 gmol
moles of Fe ins CO15g of te-0.01s
23
56
1 mol-6023xdd anons
so. 0.000212mode1,608x0 20 toms
(4 CHALLENGE QUESTION According so the Natonal Insitutes of Health (NIH), the recommended amount of sodiu
consumed per day for the average person is no.more than 2.3 g. Using ths information. how many moies of salt (NaC)w
bealthy tor a typical person?
1mol of NaCi-585 gmale
males of NaCls23g-23
Molecules of Nacl
對 彩券
58.5
Transcribed Image Text:Lab Add-ons Help Last edit was 2 minutes ago BIUA* Russo One 12 Crayon CaHs2 352 g =352 g/mol NA molecules stions (1) A chemist needs 1.25 moles of sugar lo dissolve in 1iter of water. How many grams of sugar will the chemist need? 1 mol of sugar (12x6) (1x12)+(16x6)-180g 1.25 mol of sugar 125X180 225g (2) From the calculated number of molecules of calcium carbonate (Caco)n a piece of chak, determine the tctal numb each of the elements within your piece of chak, calcium. carbon, and oxygen. How many atoms in tocal are present? Molecules of CaCo, 100 g/mol| Roms of Ca. Atoms of C Atoms of 0 Ttal atoms. (3) The amount of iron required per day for the average person is 0.015g. How many atoms.ot iron is this? Roms of Fe 56 gmol moles of Fe ins CO15g of te-0.01s 23 56 1 mol-6023xdd anons so. 0.000212mode1,608x0 20 toms (4 CHALLENGE QUESTION According so the Natonal Insitutes of Health (NIH), the recommended amount of sodiu consumed per day for the average person is no.more than 2.3 g. Using ths information. how many moies of salt (NaC)w bealthy tor a typical person? 1mol of NaCi-585 gmale males of NaCls23g-23 Molecules of Nacl 對 彩券 58.5
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