Answer : The value of the equilibrium constant is,
Explanation :
The given main reaction is:
The intermediate reactions are:
;
;
;
Now we are adding all the equation, we get:
...........(1)
The equilibrium constant expression will be:
Now we are dividing equation 1 by 2, we get:
...........(1)
The equilibrium constant expression will be:
Now put all the given values in this expression, we get:
Thus, the value of the equilibrium constant is,
Mass NaCl = 4.348
Mass solution = 21.040 - 4.348 = 16.692
mass/mass % =
4.348/16.692
= 26%
mass/vol % =
21.7%
Molecular mass of NaCl = 58.5
Moles of NaCl = 0.074
Volume of solution = 0.02 L
Molarity = 3.7 mol/Liter
Explanation:
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The answer is friction. It oppose the ball's forward motion. The cause for a ball rolling across a rug to slow to a stop is that friction resists the ball's forward motion. Friction<span> can cause a </span>moving<span> object, such as a </span>ball<span>, to slow down and eventually stop.</span>