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A student was asked to calculate the mass of Ca(OH)2 needed to create 2.5 liters of 3.0 M aqueous solution. The student's work is below. Given= 3.0 M Ca(oH)2 & 2.5L 9 CacOH)2 Looking For =

A student was asked to calculate the mass of Ca(OH)2 needed to create 2.5 liters of 3.0 M aqueous solution. The student's work is below. Given= 3.0 M Ca(oH)2 & 2.5L 9 CacOH)2 Looking For =

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter65: Achievement Review—section Six
Section: Chapter Questions
Problem 42AR: Solve these prism and cylinder exercises. Where necessary, round the answers to 2 decimal places...
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A student was asked to calculate the mass of Ca(OH)2 needed to create 2.5 liters of 3.0 M aqueous solution. The student's work is below. Given = 3.0 M Ca(oH), & 2.5L Looking For = g CacOH)2 M × L = (3.OMX2.5 L) mol = 7,5 mol Cal0H )2 M= mol Calx40.08 =40.08 | k 16.00 = 1le.00 1 x 1.01 1. 57.09 g/mol CacOH)2 7.5 mol CaloH)z 57.09gCa(otH)428.18g I moi CaloH)2 CalOH Y2 The student got the answer wrong. Identify the error, explain the mistake in detail and provide the correct calculation and answer.
Transcribed Image Text:A student was asked to calculate the mass of Ca(OH)2 needed to create 2.5 liters of 3.0 M aqueous solution. The student's work is below. Given = 3.0 M Ca(oH), & 2.5L Looking For = g CacOH)2 M × L = (3.OMX2.5 L) mol = 7,5 mol Cal0H )2 M= mol Calx40.08 =40.08 | k 16.00 = 1le.00 1 x 1.01 1. 57.09 g/mol CacOH)2 7.5 mol CaloH)z 57.09gCa(otH)428.18g I moi CaloH)2 CalOH Y2 The student got the answer wrong. Identify the error, explain the mistake in detail and provide the correct calculation and answer.
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