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C. A student preparing this solution weighs 1.4802 g M9SO4•7H2O directly into the 50.00 mL volumetric flask and adds deionized water. Calculate the exact concentration of the solution she prepared. 0.00194831mot MgSO4-74,0 Imd 1.48029 |246.43 S0ML20.05al 0.00A4831/0.05L>0389662Ml 24649

C. A student preparing this solution weighs 1.4802 g M9SO4•7H2O directly into the 50.00 mL volumetric flask and adds deionized water. Calculate the exact concentration of the solution she prepared. 0.00194831mot MgSO4-74,0 Imd 1.48029 |246.43 S0ML20.05al 0.00A4831/0.05L>0389662Ml 24649

Chemistry
Chemistry
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ISBN:9781305957404
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Chapter1: Chemical Foundations
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I'd just like to know if question 3c's answer is correct, please and thank you.
h. 50-mL burette (https://en.wikipedia.org/wiki/Burette): 2. A volumetric pipette is marked as 20 mL, 20°C, TD, with a precision of 0.01 mL. a. How many marks for volume does it have? b. What volume should be recorded if this pipette is used properly? 20.00ML When used properly, does any residual liquid remain in the pipette? Explain. Yes, bycaure gruvity cenit ae Liquid out, get an the 3. 50.00 mL of 0.120 mol/L M9SO4 solution is to be made using MgSO4•7H2O, which has a molar mass of 246.47 g/mol. 12d.366 a. How many moles of solid M9SO4-7H2O are required? IL 1000MC 120.366445504 246.47 48.8 Olmeol 50mL .120mol|| 0,006 mules 48.83596381% M2-0o06 =0012286028nel>0.012 amoler of Mshr1P KLO0 Z
Transcribed Image Text:h. 50-mL burette (https://en.wikipedia.org/wiki/Burette): 2. A volumetric pipette is marked as 20 mL, 20°C, TD, with a precision of 0.01 mL. a. How many marks for volume does it have? b. What volume should be recorded if this pipette is used properly? 20.00ML When used properly, does any residual liquid remain in the pipette? Explain. Yes, bycaure gruvity cenit ae Liquid out, get an the 3. 50.00 mL of 0.120 mol/L M9SO4 solution is to be made using MgSO4•7H2O, which has a molar mass of 246.47 g/mol. 12d.366 a. How many moles of solid M9SO4-7H2O are required? IL 1000MC 120.366445504 246.47 48.8 Olmeol 50mL .120mol|| 0,006 mules 48.83596381% M2-0o06 =0012286028nel>0.012 amoler of Mshr1P KLO0 Z
EM 1232 Spring 2022 b. What mass of M9SO4•7H2O will need to be weighed to prepare this solution? Use of Analytical Glassware 0.012 mdes 246.4 2.45 764g Mg SO4 +7 H0 2.96g Imol C. A student preparing this solution weighs 1.4802 g M9SO4•7H2O directly into the 50.00 mL volumetric flask and adds deionized water. Calculate the exact concentration of the solution she prepared 1.48029 10.00194831mol, 以S04-7410 1246.47|1 50ML>0.05 al 0.0DA4831/0.05L>a0389662M The MgSO4 solution made in Question 3 is used to make a more diluted MgS04 solution. A 20- mL TD volumetric pipette is filled with this solution using a pipette pump and drained into a 150- mL volumetric flask. The flask is filled to the mark with deionized water. Calculate the concentration of the diluted solution.
Transcribed Image Text:EM 1232 Spring 2022 b. What mass of M9SO4•7H2O will need to be weighed to prepare this solution? Use of Analytical Glassware 0.012 mdes 246.4 2.45 764g Mg SO4 +7 H0 2.96g Imol C. A student preparing this solution weighs 1.4802 g M9SO4•7H2O directly into the 50.00 mL volumetric flask and adds deionized water. Calculate the exact concentration of the solution she prepared 1.48029 10.00194831mol, 以S04-7410 1246.47|1 50ML>0.05 al 0.0DA4831/0.05L>a0389662M The MgSO4 solution made in Question 3 is used to make a more diluted MgS04 solution. A 20- mL TD volumetric pipette is filled with this solution using a pipette pump and drained into a 150- mL volumetric flask. The flask is filled to the mark with deionized water. Calculate the concentration of the diluted solution.
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