Which of the following errors could cause your percent yield to be falsely high, or even over 100%?

Question

Heating the sample too vigorously.

Handling the crucible directly with your hands.

Failing to completely decompose the sodium bicarbonate sample.

Taking the mass of the empty crucible without the lid, but including the lid in all other mass measurements.

Taking the mass of all samples with the lid included.

Answer 1

Handling the crucible directly with your hands.

Taking the mass of the empty crucible without the lid, but including the lid in all other mass measurements.

Taking the mass of all samples with the lid included.

Answer 2

Anything that adds weight to you answer will give you a falsely high % yield.

Handling the crucible directly with your hands.

Taking the mass of the empty crucible without the lid, but including the lid in all other mass measurements.