The answer is attach below
Note : In the titration of mixture of weak acid and strong acid first strong acid is neturalize always after first equivalent point than weak acid start neutralize
For strong acid your first equation is wrong
im suppost to find the moles of H3po4 as well as Hcl but i cant figure...
Question 3 A 10 m square and 7.5 m deep pit is to be excavated in a soil with a unit weight of 20 kN/m2. What is the stress relief at 2 m. 5 m and 10 m below the centre point of the bottom of the excavation? b. The circular flexible area is uniformly loaded (q 320 kN/m2). Determine the change in vertical stress: i. at point A At a point 2 m below point A 4 m A...