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3.7 x 1021 water molecules has a mass of _____ grams. Keep four decimal places A drop of water has a mass of 0.043 grams. Find the number of water molecules in this sample (N). Calculate log10N. Example: log10(3.5 x 1021) = 21.54

3.7 x 1021 water molecules has a mass of _____ grams. Keep four decimal places A drop of water has a mass of 0.043 grams. Find the number of water molecules in this sample (N). Calculate log10N. Example: log10(3.5 x 1021) = 21.54

Chemistry
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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3.7 x 1021 water molecules has a mass of _____ grams. Keep four decimal places

A drop of water has a mass of 0.043 grams. Find the number of water molecules in this sample (N). Calculate log10N.

Example: log10(3.5 x 1021) = 21.54

Expert Solution
Step 1

Consider some important relations is as follows;

1 mol = 6.022×1023 molecules                                  ......(1)Moles = MassMolar mass                                                    ......(2)         

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