How many molecules are in. 500 moles of h2

If I have a molar concentration of Na2S2O3 of. 02M and a volume of. 001L. As well as a Molar Concentration of KI. 3M and H2O2 of. 1M. The equation of the reaction is 2S2O3+I3 - >3I+S4O6. The question is "How many moles of S2O3 are consumed".

If you dissolve 50.0 grams of potassium bromide in 100.0g of water what is the mass percent of the resultant solution?

What does unicellular mean

What is activation energy? the energy that transports water into cells the energy needed to initiate a reaction potential energy?

What are the five elements named after countries?

What are the forces that create electromagnetism?

The nose is an organ that acts as an airway for oxygen to enter the body. The nose also contains hairs that trap small foreign objects and stop them from entering the body. Which two systems does the nose play a role in? A. respiratory and immune B.

HBr + Mg (OH) 2 MgBr2 + H2O

What is the ability of a substance to be pulled into a wire? A malleability B ductility C conductivity D solubility

When a counterfeit detection pen is used on an authentic bill, what color does it turn? a. Pale blue b. Pale yellow c. Blue-black d. Pale pink