Calculate the molarity of na + ions in 135 ml of a solution containing 5.32 g nacl and 1.20 g na2so4.

How do hydrocarbons differ in structure from carbohydrates.

A transmission system at a radio station uses a blank to convert a direct current into a high frequency alternating current

What is the difference between an atone and a molecule

A solution contains water (h20), hydrochloric acid and a wire of magnesium (mg). It takes about 60 seconds for the chemical reaction to finish producing magnesium chloride (mgc12).

What is the correct formula for potassium sulfite

How much energy is required to heat 250 grams of water from 20.0°C to 80.0°C? The heat capacity of water is 4.186 J/g°C Q=mc∆T

The ph of a solution is measured to be ph=3. what is true of this solution?

The mole fraction of water in a solution of sugar in water is equal to 0.942. What is the mole fraction of the sugar?

How many protons are in chromium-58?

Which statement about the effusion rates of nitrogen and oxygen is true? Oxygen effuses 1.07 times faster than nitrogen. Nitrogen effuses 1.07 times faster than oxygen. Oxygen effuses 0.9 times faster than nitrogen. Nitrogen effuses 0.