Ineed with this phenobarbital elixir contains 2 grams in 1 liter of elixir. how many milligrams of phenobarbital are contained in 1 teaspoon of elixir?

9.86 milligrams

Step-by-step explanation:

It is given that 1 liter f elixir contains 2 grams of phenobarbital elixir.

Since 202.884 teaspoons = 1 liter

so 1 teaspoon of elixir =   liter

∵ 1 liter of elixir contains phenobarbital = 2 gms.

∴   liter of elixir contains phenobarbital =   = 0.009858 grams

or 0.009858 × 10³ milligrams

 = 9.86 milligrams.

Therefore, 9.86 milligrams of phenobarbital will be required.

the answer is 62