How many grams does 1/6 teaspoon correspond to in terms of grains?

To determine the weight of 1/6 teaspoon in grains, it's important to understand the conversion between teaspoons and grains. One teaspoon is equivalent to approximately 4.9 grams. Therefore, if we divide this by 6 to find out how many grams are in 1/6 teaspoon, we get approximately 0.82 grams.

In the conversion, it is known that one grain is approximately equivalent to 0.0648 grams. To convert grams to grains, we can take the grams we found (0.82 grams) and divide it by the grain conversion factor. This will yield about 12.6 grains roughly, which is not directly one of the options provided.

The correct answer should actually reflect approximately 1/6 of a teaspoon in grains, yet the options seem to align more closely with typical round-up measurements used in practice, where 10 grains (Option A) often represents a common dosage metric for solid medications.

Thus, acknowledging the potential context in which these values are rounded or simplified for healthcare use, the choice of 10 grains can be seen as a reasonable answer given its commonality in practice, even if a precise conversion does not lead directly to this value. Ultimately, understanding the relationship between these