need help thanks! Experiment 7 Advance Study Assignment: Analysis of an Unknown
ID: 546220 • Letter: N
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Experiment 7 Advance Study Assignment: Analysis of an Unknown Chloride Ag'ions and Cr ions can react to form Agcl. Is silver chloride a solid, liquid, or gas? What would you expect to see if chiorine and silver ions reacted in an aqueous solution? Is silver chloride visible in clear water? Tiffany performed the titration experiment using 30.00 mL of chloride solution. She used 20.00 mL of 1 M AgNO,. She stopped immediately after the chloride solution changed color permanently. How many liters of AgNO3 did she use? How many moles of AgNO3 were required? How many moles of Cl are present? How many liters of chloride solution did she use? What is the molarity of the unknown chloride solution? Tiffany did another titration with the same concentration of chloride solution, but this time, she was in a hurry. Her stopcock was fully open and she d idn't notice the color change immediately. This time she used 40.00 mL of AgNO, How many of moles of Ag did she use? How would this affect her calculation of the molarity of the unknown chloride solution?Explanation / Answer
Ans 1 :
AgCl formed as the product of reaction :
Ag+(aq) + Cl- (aq) = AgCl (s)
is solid in nature. It is is crystalline solid , with very low solubilty in water or aqueous solutions.
when these ions are reacted in aqueous solutions (according to the reaction mentioned above) , an opaque white precipitate of silver chloride forms in the solution. Since it is not soluble in the aqueous solution , it is visible as white precipitate in clear water.
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