2. How can we deposit a thin layer of silver on an iron spoon? What is the process called? Explain with a labelled diagram.
2 answers:
Answer:
ELECTROPLATING
Explanation:
In silver plating, object (iron spoon) to be electroplated is made cathode, metal to be used for coating (bar of silver metal) as anode and silver nitrate solution as electrolyte. When current passes, positive ions moved toward the cathode and thus silver is coated to the spoon.
The process of depositing a layer of any desired metal on another material, by means of electricity is called electroplating.
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Answer:
The concentration of the solution is 1.364 molar.
Explanation:
Volume of perchloric acid = 29.1 mL
Mass of the solution = m
Density of the solution = 1.67 g/mL
Percentage of perchloric acid in 48.597 solution :70.5 %
Mass of perchloric acid in 48.597 solution :
=
Moles of perchloric acid =
In 29.1 mL of solution water is added and volume was changed to 250 mL.
So, volume of the final solution = 250 mL = 0.250 L (1 mL = 0.001 L)
The concentration of the solution is 1.364 molar.