What is the amount of solvent cement required in grams for a joint using solvent cement of 16 g per joint?

The correct answer is based on the assumption that for each joint, a specific amount of solvent cement is required to achieve a proper seal. In this case, if the requirement is 16 grams of solvent cement per joint, to find the total amount needed, you can consider that the task may involve multiple joints.

If you only need to create a single joint, the amount of solvent cement required would simply be 16 grams. However, if the context implies that a total of 32 grams is necessary, it could suggest that more than one joint is being prepared, or that a more substantial application is needed for certain types of connections.

In this case, if the total amount of solvent cement required is being calculated for two such joints, then you would multiply the amount needed per joint (16 grams) by 2, resulting in 32 grams. This highlights the importance of understanding how the given amount per joint scales with the number of joints or the requirements of the application.

Therefore, the choice reflecting 32 grams would make sense under the assumption that the problem asks for the total cement required for two joints or applications.