sample of the unknown compound was placed in a weighed drying pan and heated to give the data below. Use this data to find out the % water in this compound. The experimental data: Mass of the drying pan = 1.445 g Mass of drying pan and compound (Before Heating) = 7.175 g Mass of drying pan and compound (After Heating) = 6.865 g Calculate the % Water (by mass) in this compound. 1.b)The literature (actual) value of % water = 5.399 %. Comment on errors in this experiment.
sample of the unknown compound was placed in a weighed drying pan and heated to give the data below. Use this data to find out the % water in this compound. The experimental data: Mass of the drying pan = 1.445 g Mass of drying pan and compound (Before Heating) = 7.175 g Mass of drying pan and compound (After Heating) = 6.865 g Calculate the % Water (by mass) in this compound. 1.b)The literature (actual) value of % water = 5.399 %. Comment on errors in this experiment.
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter3: Molecules, Moles, And Chemical Equations
Section: Chapter Questions
Problem 3.68PAE: 3.68 Magnesium is lighter than other structural metals, so it is increasingly important in the...
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Significant figures are important! Remember that zeros are often significant and must be counted!
A fictional compound contains potassium, a fictional metal, Z , oxalate and water. It is a hydrate. Its general formula is K2Zy(C2O4)z . nH2O. As you can see, the subscript for the potassium is given, but the other subscripts are unknown, as well as the number of water molecules per formula unit (n).
- A sample of the unknown compound was placed in a weighed drying pan and heated to give the data below. Use this data to find out the % water in this compound.
The experimental data:
Mass of the drying pan = 1.445 g
Mass of drying pan and compound (Before Heating) = 7.175 g
Mass of drying pan and compound (After Heating) = 6.865 g
- Calculate the % Water (by mass) in this compound.
1.b)The literature (actual) value of % water = 5.399 %. Comment on errors in this experiment.
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