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General, Organic, and Biological Chemistry

7th Edition

ISBN:9781285853918

Author:H. Stephen Stoker

Publisher:H. Stephen Stoker

Chapter8: Solutions

Section: Chapter Questions

Problem 8.10EP: A solution is made by dissolving 0.455 g of PbBr2 in 100 g of H2O at 50C. Based on the data in Table...

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I need help with my chemistry homework! 1. a) Calculate the mass of solid potassium chlorate (KClO3) required to make 200.0 mL of a 2.00 M solution b) After making the solution described above, you realize that you need to dillute it produce 100.0 mL of a 0.10 M solution. Calculate the volume of the original solution (in mL) will you need to use. 2. a) is the image 2. b) Calculate the molar concentration of the saturated solution of KClO3 at 60.0 °C described in part (a) above.

2.
Solubility of KCIO3 vs. Temperature
10
20
40
60
80
100
Temperature (°C)
-10-
a) Based on the solubility curve provided.
Calculate the mass of KCIO3 required for a
40.0 mL of a saturated solution at 60.0 °C
60
50-
40
30-
20
grams of
potassium
chlorate/100
mL water

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