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N To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.190M sodium hydroxide (NaOH) solution to a 25.00 g sample of the fluid and collects the solid nickel(II) hydroxide (Ni(OH)2) product. When no more Ni(OH)₂ is produced, she filters, washes and weighs it, and finds that 558. mg has been produced. The balanced chemical equation for the reaction is: Ni2+ (aq) + 2NaOH(aq) osof 1 What kind of reaction is this? Ni (OH)₂ (s) + 2 Na (aq) If you said this was a precipitation reaction, enter the chemical formula of the precipitate. If you said this was an acid-base reaction, enter the chemical formula of the reactant that is acting as the base. If you said this was a redox reaction, enter the chemical symbol of the element that is oxidized. Calculate the mass percent of Ni in the sample. Be sure your answer has the correct number of significant digits. Oprecipitation O acid-base Ⓒredox 0 0 0 0% 0⁰ 00 X 5

N To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.190M sodium hydroxide (NaOH) solution to a 25.00 g sample of the fluid and collects the solid nickel(II) hydroxide (Ni(OH)2) product. When no more Ni(OH)₂ is produced, she filters, washes and weighs it, and finds that 558. mg has been produced. The balanced chemical equation for the reaction is: Ni2+ (aq) + 2NaOH(aq) osof 1 What kind of reaction is this? Ni (OH)₂ (s) + 2 Na (aq) If you said this was a precipitation reaction, enter the chemical formula of the precipitate. If you said this was an acid-base reaction, enter the chemical formula of the reactant that is acting as the base. If you said this was a redox reaction, enter the chemical symbol of the element that is oxidized. Calculate the mass percent of Ni in the sample. Be sure your answer has the correct number of significant digits. Oprecipitation O acid-base Ⓒredox 0 0 0 0% 0⁰ 00 X 5

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 98AP
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To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.190M sodium hydroxide (NaOH) solution to a 25.00 g sample of the fluid and collects the solid nickel(II) hydroxide (Ni(OH)2) product. When no more Ni(OH)₂ is produced, she filters, washes and weighs it, and finds that 558. mg has been produced. The balanced chemical equation for the reaction is: ft C W rosoft Icrosoft 52.210. BSC .2+ Ni²+ (aq) + 2NaOH(aq) → Ni(OH)₂ (s) + 2 Na* (aq) What kind of reaction is this? If you said this was a precipitation reaction, enter the chemical formula of the precipitate. If you said this was an acid-base reaction, enter the chemical formula of the reactant that is acting as the base. If you said this was a redox reaction, enter the chemical symbol of the element that is oxidized. Calculate the mass percent of Ni in the sample. Be sure your answer has the correct number of significant digits. Explanation Q A option T Z 2 Check 8,935) W S X 88 command 3 E D DEC 12 $ C R F 67 5⁰0 % 5 V T #tv ♫♬ G < 6 Y B O precipitation acid-base Ⓒredox V lo & 7 H 0 0 U % Ⓒ202 ST17 U N McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility 00 X J A M Ś K x10 O O L H P 7 command S I op
Transcribed Image Text:To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.190M sodium hydroxide (NaOH) solution to a 25.00 g sample of the fluid and collects the solid nickel(II) hydroxide (Ni(OH)2) product. When no more Ni(OH)₂ is produced, she filters, washes and weighs it, and finds that 558. mg has been produced. The balanced chemical equation for the reaction is: ft C W rosoft Icrosoft 52.210. BSC .2+ Ni²+ (aq) + 2NaOH(aq) → Ni(OH)₂ (s) + 2 Na* (aq) What kind of reaction is this? If you said this was a precipitation reaction, enter the chemical formula of the precipitate. If you said this was an acid-base reaction, enter the chemical formula of the reactant that is acting as the base. If you said this was a redox reaction, enter the chemical symbol of the element that is oxidized. Calculate the mass percent of Ni in the sample. Be sure your answer has the correct number of significant digits. Explanation Q A option T Z 2 Check 8,935) W S X 88 command 3 E D DEC 12 $ C R F 67 5⁰0 % 5 V T #tv ♫♬ G < 6 Y B O precipitation acid-base Ⓒredox V lo & 7 H 0 0 U % Ⓒ202 ST17 U N McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility 00 X J A M Ś K x10 O O L H P 7 command S I op
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