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You found a container with a white substance labeled MCIO3 but you do not know which Group 1 metal M represents. You decide to use your chemistry wizardry to identify this mystery substance. You dissolve 5.00 g in enough water to produce 250. mL of the solution (Solution A). You decompose the chlorate according to the following reaction: 2MCIO3(aq) → 2MCI (aq) + 3 0₂ (g) AHxn=-140.2 kJ 1. You collect the O₂ produced and it has a volume of 1.53 L at a temperature of 25.0 °C and 0.980 atm. (a) How many moles of O₂ were produced? (b) How many moles of MCIO3 reacted? (c) What is the molar mass and the identity of the mystery substance?

You found a container with a white substance labeled MCIO3 but you do not know which Group 1 metal M represents. You decide to use your chemistry wizardry to identify this mystery substance. You dissolve 5.00 g in enough water to produce 250. mL of the solution (Solution A). You decompose the chlorate according to the following reaction: 2MCIO3(aq) → 2MCI (aq) + 3 0₂ (g) AHxn=-140.2 kJ 1. You collect the O₂ produced and it has a volume of 1.53 L at a temperature of 25.0 °C and 0.980 atm. (a) How many moles of O₂ were produced? (b) How many moles of MCIO3 reacted? (c) What is the molar mass and the identity of the mystery substance?

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter20: Environmental Chemistry-earth's Environment, Energy, And Sustainability
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You found a container with a white substance labeled MCIO3 but you do not know which Group 1 metal M represents. You decide to use your chemistry wizardry to identify this mystery substance. You dissolve 5.00 g in enough water to produce 250. mL of the solution (Solution A). You decompose the chlorate according to the following reaction: 2MCIO3(aq) → 2MCI (aq) + 3 O₂ (g) AHrxn=-140.2 kJ 1. You collect the O₂ produced and it has a volume of 1.53 L at a temperature of 25.0 °C and 0.980 atm. (a) How many moles of O₂ were produced? (b) How many moles of MCIO3 reacted? (c) What is the molar mass and the identity of the mystery substance?
Transcribed Image Text:You found a container with a white substance labeled MCIO3 but you do not know which Group 1 metal M represents. You decide to use your chemistry wizardry to identify this mystery substance. You dissolve 5.00 g in enough water to produce 250. mL of the solution (Solution A). You decompose the chlorate according to the following reaction: 2MCIO3(aq) → 2MCI (aq) + 3 O₂ (g) AHrxn=-140.2 kJ 1. You collect the O₂ produced and it has a volume of 1.53 L at a temperature of 25.0 °C and 0.980 atm. (a) How many moles of O₂ were produced? (b) How many moles of MCIO3 reacted? (c) What is the molar mass and the identity of the mystery substance?
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