How many moles of sodium ions are present in 0.25 kg of a 2.0 m solution of sodium chloride in water

mol sodium ions

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35.0 mL of 12.0 M HCl is added to enough water to have a final volume of 1.20 L. What is the molarity of the final solution?

How the change in pressure affect the volume of the gas

Which of the following compounds contains a double bond? a) NH3 b) CO2 c) N2 d) Cl2

Pure water is neutral, meaning it is neither an acid nor a base. Pure water has a pH of a. 0. b. 14. c. 7. d. 10.

Why does the temperature not change during a phase change? There is a change from potential energy to kinetic energy. Changes in potential energy do not result in temperature changes No one really knows.

Using density what is the mass in grams of 150mL of a liquid with a density of 1.4 g/mL

All of the following can be recycled except clothing aluminum cans compact fluorescent bulbs plastic drink bottles

Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.0 L of water upon warming from 25 ∘C to 50 ∘C.

Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure.

When you light a fire place what energy transformation takes place