Plastic Bottle192 g192 g/molNA MOLeculeC25H52=352 g/molNA moleculesCrayon352 gA chemist needs 1.25 moles of sugar to dissolve in 1 liter of water. How many grams of sugar will the chemist need?1 mol of sugar =(12x6)+(1x12)+(16x6)=180g1.25 mol of sugar = 1.25X180 = 225gFrom the calculated number of molecules of calcium carbonate (Caco,) in a piece of chalk, determine the total numbeof the elements within your piece of chalk: calcium, carbon, and oxygen. How many atoms in total are present?Molecules of CaCO,Atoms of CaAtoms of C:Atoms of 0:Total atoms:

From the calculated number of molecules of calcium carbonate (CaCO3) in a piece of chalk, determine…

the calculated number of molecules of calcium carbonate (CacO.) in a piece of chalk, determine the total numbe he elements within your piece of chalk: calcium, carbon, and oxygen. How many atoms in total are present? Molecules of CaCO, Atoms of Ca: Atoms of C: Atoms of 0: Total atoms:

the calculated number of molecules of calcium carbonate (CacO.) in a piece of chalk, determine the total numbe he elements within your piece of chalk: calcium, carbon, and oxygen. How many atoms in total are present? Molecules of CaCO, 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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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

Plastic Bottle
192 g
192 g/mol
NA MOLecule
C25H52
=352 g/mol
NA molecules
Crayon
352 g
A chemist needs 1.25 moles of sugar to dissolve in 1 liter of water. How many grams of sugar will the chemist need?
1 mol of sugar =(12x6)+(1x12)+(16x6)=180g
1.25 mol of sugar = 1.25X180 = 225g
From the calculated number of molecules of calcium carbonate (Caco,) in a piece of chalk, determine the total numbe
of the elements within your piece of chalk: calcium, carbon, and oxygen. How many atoms in total are present?
Molecules of CaCO,
Atoms of Ca
Atoms of C:
Atoms of 0:
Total atoms:

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