Question

why was the weigh/filter paper used in this experiment? check all that apply. to weigh the tablet to make sure that all of the broken pieces of tablet were added to the water to prevent the tablet from absorbing water to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error to ensure that the entire tablet is present, since otherwise it would not dissolve done

Explanation:

• "To weigh the tablet": Filter paper can be used to weigh the tablet, especially if it's a solid sample, so this is valid.
• "To make sure that all of the broken pieces of tablet were added to the water": If the tablet is broken, using the filter paper (where it was weighed) ensures all pieces are transferred, so this applies.
• "To prevent the tablet from absorbing water": Filter paper is dry and can hold the tablet without it absorbing moisture from the environment, so this is a reason.
• "To allow for fair comparison of all three trials, with different particle sizes": By using the same filter paper (or weighing method) for each trial, it standardizes the initial mass measurement, allowing fair comparison, so this is valid.
• "To avoid experimental error": Using the filter paper for weighing and transferring helps minimize errors like loss of sample, so this applies.
• "To ensure that the entire tablet is present, since otherwise it would not dissolve": If pieces are left behind, the dissolution might be incomplete. Using the filter paper to transfer all pieces ensures the entire tablet (or its pieces) is in the water, so this is valid.

Answer:

• to weigh the tablet
• to make sure that all of the broken pieces of tablet were added to the water
• to prevent the tablet from absorbing water
• to allow for fair comparison of all three trials, with different particle sizes
• to avoid experimental error
• to ensure that the entire tablet is present, since otherwise it would not dissolve