Ricardo read that it may be unhealthy to eat more than 2,500 mg of table salt (NaCl) in a day. He wants to see how much salt 2,500 mg is, but his scale only weighs in units of grams.

How many grams of salt should he measure out on the scale?
A.
25 g
B.
2.5 g
C.
0.025 g
D.
250 g