What is the molecular shape of compound pl3 based on lewis structure

You are to give ampicillin with a recommended dose of 25mg/kg to a child with a mass of 29kg. if stock on hand is 250mg/capsule how many capsules should be given?

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?