acids and bases
concentration
neutralization & pH
molar mass
classmates
100

What ion do acids release in water?

Hydrogen ion (H⁺)

100

What unit is used to measure concentration in solutions?

Molarity (M)

100

What pH number is considered neutral?

7

100

What is the molar mass of water (H₂O)?

18 g/mol

100

Who is the best chemistry teacher?

Ms. Cassidy

200

 What ion do bases release in water?

Hydroxide ion (OH⁻)

200

What does it mean if a solution is concentrated?

It has a lot of solute in the solution.

200

What happens when an acid reacts with a base?

They form water and a salt.


200

What is the molar mass of carbon dioxide (CO₂)?

44 g/mol

200

Name someone in this class who plays a sport.

cc

300

What is an example of a strong acid?

Hydrochloric acid (HCl)

300

What is the formula for molarity?

M = moles of solute ÷ liters of solution

300

Is a pH of 3 acidic or basic?

acidic

300

What is the molar mass of oxygen gas (O₂)?

32 g/mol

300

 Who usually finishes labs first?

Loutus

400

What scale measures how acidic or basic a solution is?

  The pH scale

400

What happens to concentration if more solvent is added?

 It decreases (dilution)

400

What type of solution has a pH above 7?

A basic solution

400

What is the molar mass of sodium chloride (NaCl)?

58.5 g/mol

400

Who is most likely to become a scientist?

tio

500

 What is the name for a substance that can act as both an acid and a base?

 Amphoteric

500

 What is the concentration of a solution with 2 moles in 1 liter?

2 M
500

What happens to pH when a base is added to an acid?

The pH increases.

500

What element has a molar mass of about 1 g/mol?

 Hydrogen

500

Who is most likely to forget their calculator?

max