Suppose the pressure exerted by a cube on the floor is 355Pa, and the weight of the cube is 120.N. What is the area of the
cube?

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The answer to this qustion is c

Answer is: value of q is 5·10⁻⁶m.chemical reaction: mg²⁺(aq) + co₃²⁻(aq) → mgco₃(s).c(mg²⁺) = 2.5·10⁻³ m; concentration of magnesium cations.c(co₃²⁻) = 2.00·10⁻³ m; concentration of carbonate anions.q = c(mg²⁺)  · c(co₃²⁻).q = 2.5·10⁻³ m  · 2.00·10⁻³ m.q = 5·10⁻⁶m.q = 0.000005 m.

The most likely ph of a highly corrosive acid would be 1. because one is the most acie on the ph scale. the lower the number, the higher the acidity.