What volume (in ml) of a solution with a mass fraction of sulfuric acid 0.8 and a density of 1.78 g/ml should I take to prepare 275 ml of 12% solution of this acid with a density of 1.08 g/ml? A)21 ml; c)22ml; c)23ml; e)24 ml; f)25ml;

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

How many moles are contained in 5.6 l of h2 at stp