PLEASE HELP RIGHT NOW (my period is 5) so it’s 5.35 g KOH

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure