kiaraphilman2956
23.05.2020 •
Chemistry
A titration involves adding a reactant of a known quantity to a solution of another reactant while monitoring the equilibrium concentrations. This allows one to determine the concentration of the second reactant. A pH titration curve specifically monitors the pH as a function of the titrant. When conducting calculations involving a titration, the first step is to write the balanced chemical equation. Then, use the stoichiometric ratios developed from this equation to determine how many moles of each reagent are reacting.
a. What is the pH of the solution after 50.0 mL of the base has been added?
b. What is the pH of the solution at the equivalence point?
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Ответ:
Be a big brain
Explanation:
Ответ:
the ride was 24 km long.
Step-by-step explanation:
Let us suppose the ride was x km long.
Now, it has been given that Cyclist were 3/4 finished with their ride when they reached the 18 kilometer mark.
It means we have the equation
Multiply both sides by 4
Now, divide both sides by 3
Thus, the ride was 24 km long.