The selectivity coefficient, K+,H+ , for a K+ ion-selective electrode is 0.00575 . When the electrode is placed into a 7.38×10−5 M K+ solution at pH 6.58 , the potential is −0.168 V vs. SCE. If the pH of the solution is lowered to 1.23 and the ionic strength is kept constant, what is the potential of the electrode? Assume =1 for the electrode.

increased stability in the completion of fluorine's outer shell.

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weight of any object is given by

w = m*g

where m is mass of the object and g is the acceleration due to gravity.

for earth the value of g is 9.8 m/s^2 so

w=117.6 n m=12 g=?

117.6=12g => g=9.8 m/s^2

which is the force of gravity on earth.