This is a question in Seneca, plz help asap bc I can't skip it!! What do we call a pure sample that's run next to the tested substance to see if it's a component in the mixture?

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

Table sugar completely dissolved in water is an example of a?