BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

Solutions

Chapter
Section
BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Fluoridation of city water supplies has been practiced in the United States for several decades. It is done by continuously adding sodium fluoride to water as it comes from a reservoir. Assume you live in a medium-sized city of 150,000 people and that 660 L (170 gal) of water is used per person per day. What mass of sodium fluoride (in kilograms) must be added to the water supply each year (365 days) to have the required fluoride concentration of 1 ppm (part per million)—that is, 1 kilogram of fluoride per 1 million kilograms of water? (Sodium fluoride is 45.0% fluoride, and water has a density of 1.00 g/cm3.)

Interpretation Introduction

Interpretation: The mass of sodium fluoride to be identified.

Concept Introduction:

Density: A measurement of mass per unit volume.

Density = Mass volume

Explanation

Volume of water used in a year by total people:_volume of water = 1,50,000 × 660 L ×365 days                            = 3.6135×1010kgofwater               = 3.6135×104millionkgofwaterwhereas,1Kgof

Still sussing out bartleby?

Check out a sample textbook solution.

See a sample solution

The Solution to Your Study Problems

Bartleby provides explanations to thousands of textbook problems written by our experts, many with advanced degrees!

Get Started

Additional Science Solutions

Find more solutions based on key concepts

Show solutions add

When the brain receives signals that enough food has been eaten, this is called. a. satiation b. ghrelin c. ada...

Nutrition: Concepts and Controversies - Standalone book (MindTap Course List)

What are some functions of skin?

Human Biology (MindTap Course List)

Why is methanol such an important industrial chemical?

Chemistry for Today: General, Organic, and Biochemistry

_______ are characteristic of cancer. a. Malignant cells b. Neoplasms c. Tumors

Biology: The Unity and Diversity of Life (MindTap Course List)

A loaded ore car has a mass of 950 kg and rolls on tails with negligible friction. It starts from rest and is p...

Physics for Scientists and Engineers, Technology Update (No access codes included)