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if you are asked to determine an object’s speed, what information must you have?

distance and period of time
distance and direction
period of time and direction
distance and change in position

93.2 ml + 3920 ml = 4013 ml total  

(93.2 ml) * (2.03 m) / (4013 ml) = 0.0471 m

the volume in in l of the diluted solution would be 0.0471 m.

i think slash and

a electronegativity decreases beacuse the size of nucleus is bigger.

the answer is d. 74.02