The often poses a conversion problem for pharmacy personnel, as most pharmacists consider it to be equal to 65 mg, but manufacturers consider it equal to 60 mg.

The correct answer to the question that is being presented above would be 'one (1) grain'. The The grain often poses a conversion problem for pharmacy personnel, as most pharmacists consider it to be equal to 65 mg, but manufacturers consider it equal to 60 mg.

Cr(oh)3 -> cr(3+) + 3oh-