Why is it better to mix drops of solutions in a reaction plate rather than to mix milliliters of a solution in a flask?

If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

What shape would a molecule with two bound groups and two lone pairs have?