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How many liters of softened water, containing a sodium concentration of 4 * 10 ^ - 2 % sodium by mass, have to be consumed to exceed the FDA recommendation ? (Assume a water density of 1g / m * L ) Express your answer using two significant figures.

How many liters of softened water, containing a sodium concentration of 4 * 10 ^ - 2 % sodium by mass, have to be consumed to exceed the FDA recommendation ? (Assume a water density of 1g / m * L ) Express your answer using two significant figures.

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
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How many liters of softened water, containing a sodium concentration of 4 * 10 ^ - 2 % sodium by mass, have to be consumed to exceed the FDA recommendation ? (Assume a water density of 1g / m * L ) Express your answer using two significant figures.
Water softeners often replace calcium ions in hard water with sodium ions. Since sodium compounds are soluble, the presence of sodium ions in water does not cause the white, scaly residues caused by calcium ions. However, calcium is more beneficial to human health than sodium because calcium is a necessary part of the human diet, while high levels of sodium intake are linked to increases in blood pressure. The U.S. Food and Drug Administration (FDA) recommends that adults ingest less than 2.4 g of sodium per day. Part A How many liters of softened water, containing a sodium concentration of 4.0x10-2 % sodium by mass, have to be consumed to exceed the FDA recommendation? (Assume a water density of 1.0 g/mL.) Express your answer using two significant figures. V = IVE ΑΣΦ @ ? Review | Constants I Periodic Table L
Transcribed Image Text:Water softeners often replace calcium ions in hard water with sodium ions. Since sodium compounds are soluble, the presence of sodium ions in water does not cause the white, scaly residues caused by calcium ions. However, calcium is more beneficial to human health than sodium because calcium is a necessary part of the human diet, while high levels of sodium intake are linked to increases in blood pressure. The U.S. Food and Drug Administration (FDA) recommends that adults ingest less than 2.4 g of sodium per day. Part A How many liters of softened water, containing a sodium concentration of 4.0x10-2 % sodium by mass, have to be consumed to exceed the FDA recommendation? (Assume a water density of 1.0 g/mL.) Express your answer using two significant figures. V = IVE ΑΣΦ @ ? Review | Constants I Periodic Table L
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