The Mole
6.022 x 1023 particles
What is Avogadro's number or the number of particles in a mole?
A __________ equation must always be used for stoichiometry problems.
What is a balanced equation?
The part of a solution that is being dissolved.
What is a solute?
The unit of temperature you MUST use for all gas laws problems.
What is Kelvin?
The molar mass of acetic acid (CH3COOH).
What is 60 g/mol?
The molar mass of Fe2O3.
What is 160 g/mol?
2 H2 + O2 --> 2 H2O
The moles of water that is made from 3 mol of oxygen.
What is 6 mol of water?
The unit that measure the concentration of a solution.
What is molarity?
This property of gas describes why gases fill the container they are in.
What is expandability?
The number of moles of 7.65 x 1020 particles.
What is 0.00130 mol?
The number of moles in 5 grams of gold (Au).
What is 0.025 mol?
2 H2 + O2 --> 2 H2O
The mol of hydrogen needed to react with 2.4 mol oxygen.
The volume of a solution with 3.9 mol of a substance and a molarity of 1.6 M.
What is 2.44 L?
According to Boyle's Law, when you increase this variable, the volume will increase.
What is pressure?
Use a solubility curve. A 100 g solution at 30 C has 160 g of potassium iodide added. This is considered which type of solution?
What is an unsaturated solution?
The number of moles in 6.7 L of chlorine gas.
What is 0.30 mol of chlorine gas?
2 H2 + O2 --> 2 H2O
The grams of water created from 4 mol of oxygen.
What is 144 g of water?
Use a solubility curve. The amount of KNO3 needed to make a saturated solution at 45C.
What is 70g?
According to Boyle's Law, the final volume of a balloon with an initial pressure of 1.0 atm and volume of 6.78 L when it is released to the upper atmosphere (pressure 0.6 atm).
What is 11.3 L?
The percent of oxygen in acetic acid (CH3COOH).
What is 53%?
The percent of water after a 5.00 g sample is heated and now has a mass of 4.67 g.
2 H2 + O2 --> 2 H2O
The liters of oxygen needed to react with 3.8 mol hydrogen.
Use the solubility rules. The state of matter of barium sulfate (BaSO4) when mixed with water.
What is solid (s)?
According to Charles' Law, a container at 250 K is heated to 350 K and occupies 4.75 L has this initial volume.
What is 3.40 L?
CH4 + 2 O2 --> CO2 + 2 H2O
The grams of water produced when 5.6 mol of methane combusts.
What is 202 g?