chem h acids and bases unit

Question 0

Molarity formula

Answer 0

Moles solute/L solution

Question 1

Molarity

Answer 1

How concentrated a solution is based on moles of solute (Measured in M)

Question 2

Molality

Answer 2

States concentration in terms of relationship between solute and solvent (unit m)

Question 3

Molality formula

Answer 3

Moles solute/kg solvent

Question 4

Mole fraction

Answer 4

Shows concentration by relating moles of solute and moles of solvent to moles of the whole solution

Question 5

Mole fraction formula

Answer 5

Moles of substance/total moles

Question 6

Acid (according to Arrhenius)

Answer 6

A substance that disassociates in water to produce H+ ions

Question 7

Base (according to Arrhenius)

Answer 7

A substance that dissociates in water to produce OH- ions

Question 8

Properties of acids

Answer 8

Sour/tart taste, stings open wounds, reacts vigorously with metals, good conductor of electricity because it contains ions

Question 9

Properties of bases

Answer 9

Bitter taste, feels slippery, doesn’t react with most metals, good conductor of electricity because it contains ions

Question 10

Indicator

Answer 10

Substance that changes one color in an acid and a different color in a base

Question 11

Ex of indicators

Answer 11

Phenolphthalein
Clear in acid and pink in base
Litmus Paper
Red in acid and blue in base

Question 12

Neutralization reaction

Answer 12

Reaction between and acid and base that reproduce a salt and water

Question 13

H+ are just

Answer 13

Protons

Question 14

H+=?

Answer 14

H3O+

Question 15

Since H+ don’t want to be alone they

Answer 15

Attach to H2O molecules forming H3O

Question 16

Solution

Answer 16

Homogenous mixture of two or more pure substances

Question 17

Solute

Answer 17

Substance being dissolved

Question 18

Solvent

Answer 18

Substance doing the dissolving (like water)