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ChemistryChemistry In Focus7th Edition
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Calculate the number of water molecules ( H 2 O ) in 35.7 g of water.

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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

Solutions

Chapter
Section
Problem 4.1YT
Problem 4.2YT
Problem 4.3YT
Problem 4.4YT
Problem 4.5YT
Problem 4.6YT
Problem 4.7YT
Problem 4.8YT
Problem 4.9YT
Problem 4.10YT
Problem 4.11YT
Problem 1SC
Problem 2SC
Problem 3SC
Problem 4SC
Problem 5SC
Problem 6SC
Problem 1E
Problem 2E
Problem 3E
Problem 4E
Problem 5E
Problem 6E
Problem 7E
Problem 8E
Problem 9E
Problem 10E
Problem 11E
Problem 12E
Problem 13E
Problem 14E
Problem 15E
Problem 16E
Problem 17E
Problem 18E
Problem 19E
Problem 20E
Problem 21E
Problem 22E
Problem 23E
Problem 24E
Problem 25E
Problem 26E
Problem 27E
Problem 28E
Problem 29E
Problem 30E
Problem 31E
Problem 32E
Problem 33E
Problem 34E
Problem 35E
Problem 36E
Problem 37E
Problem 38E
Problem 39E
Problem 40E
Problem 41E
Problem 42E
Problem 43E
Problem 44E
Problem 45E
Problem 46E
Problem 47E
Problem 48E
Problem 49E
Problem 50E
Problem 51E
Problem 52E
Problem 53E
Problem 54E
Problem 55E
Problem 56E
Problem 57E
Problem 58E
Problem 59E
Problem 60E
Problem 61E
Problem 62E
Problem 63E
Problem 64E
Problem 65E
BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 4, Problem 37E
Textbook Problem
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Calculate the number of water molecules ( H 2 O ) in 35.7 g of water.

Interpretation Introduction

Interpretation:

The number of water molecules (H2O) in the given sample of water is to be calculated.

Concept Introduction:

The characteristic mass of a compound is considered to be the formula mass of that compound and it is obtained by adding the atomic masses of all the atoms present in the compound.

A conversion factor is the numerical ratio that is required in order to change one unit into another.

The formula mass of a compound in amu is considered numerically equal to its molar mass in gram/mol.

Explanation of Solution

Given information: 35.7 g of water.

The molar mass of H2O =18.01 g/mol

Avogadro’s number =6.022×1023

A conversion factor between grams of H2O and moles of H2O can be obtained with the help of Avogadro’s number as follows:

35

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