Why is it better to use several trials of a titration rather than one trial to determine the concentration of a solution of unknown concentration?

If the density of ocean water at a depth of 1.00 x 104 m is 1.071 g/ml and if 21.0 g of water at that depth contains 197 mg of potassium chloride, what is the molarity of potassium chloride in the sample

A chemist in a galaxy far, far away performed the Millikan oil drop experiment and got the following results f? 1.64 10-12 zirkombs 4.92 10-12 zirkombs Use these data to calculate the probable charge of the electron in zirkombs.

What is the relationship among voltage, current, and resistance?

Scenario: You are testing two different household solutions with your cabbage indicator, using the color key to the right.

A sample of ideal gas at room temperature occupies a volume of 12.0 L at a pressure of 392 torr. if the pressure changes to 1960 torr, with no change in temperature or moles of gas, what is the new volume, V2?

What elements react the most? Like have the most reactivity.

A neutral atom has an atomic number of 20 and a mass number of 42. How many electrons does the atom have?

A rock is placed into water and the volume of water increase 15ml. what is the density of the rock if it had a mass of 24.3 grams.

Suppose a student did not fully redissolve the Al (OH) 3 that initially formed upon the addition of H2SO4. Predict and explain how this would impact the apparent percent yield this student determines.

Essential amino acids are those that our bodies cannot synthesize. question 7 options: true false