A 3.0 M HCl (aq) solution contains a total of

(1) 3.0 grams of HCl per liter of water

(2) 3.0 grams of HCl per mole of solution

(3) 3.0 moles of HCl per liter of solution

(4) 3.0 moles of HCl per mole of water

How many times is CO2 denser than H2? A 22 times B 1.96 times C 0.089 D they have the same density because they are both gases E cannot be calculated

In the reversible reaction in water solution nh3 + h2o ⇀↽ nh + 4 + oh -, what acts as a bronsted-lowry acid and what acts as a bronsted-lowry base? 1. oh-; h2o 2. h2o; oh - 3. h2o; nh + 4 4. oh-; nh + 4 5. nh3; h2o

Which of the major physical laws of chemistry are you testing when you calculate percent recovery? explain

What are some ways you can determine a chemical change has occured

A 3 milliliters sample of a liquid has a mass of 6 g what is the density of this liquid

How many ml of 2.50 m hno3 are needed to prepare a 75.0 ml of 1.00 m hno3?

The charge of the stable ion of P

A change in the properties of matter where chemical bonds are broken and new bonds are formed is a.) a chemical change b.) a physical change c.) an ionic change d.) a covalent change

Write a chemical equation for the chemical reaction in which calcium carbonate (CaCO3) produces calcium oxide (Cao) and carbon dioxide (CO2).

How do you know the difference between a compound and mixture?