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Renata
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A 3.5 m long ladder is resting against a wall making an angle of 70° to the ground.
How far is the foot of the ladder from the
1 answer
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10 mL of 0.0100 M HCl are added to 25.0 mL of a buffer solution that is 0.010 M HC2H3O2 and 0.1 M C2H3O2-. What is the pH of the
1 answer
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