Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Gen Chem > Composition of Substances/Solutions > Flashcards

Composition of Substances/Solutions Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Chemistry flashcards Periodic Table flashcards Chemistry 101 flashcards Organic Chemistry 101 flashcards
1
Q

Formula Mass

A

Sum of the average masses for all atoms represented in a chemical formula; for covalent compounds, this is also the molecular mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Mole

A

Amount of substance containing the same number of atoms, molecules, ions, or other entities as the number of atoms in exactly 12 grams of ^12C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Avogadro’s Number (NA)

A

Experimentally determined value of the number of entities comprising 1 mole of substance, equal to 6.022 x 12^23mol^-1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Molar Mass

A

Mass in grams of 1 mole of a substance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Percent Composition

A

Percentage by mass of the various elements in a compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Empirical Formula Mass

A

Sum of average atomic masses for all atoms represented in an empirical formula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Concentration

A

Quantitative measure of the relative amounts of solute and solvent present in a solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Solvent

A

Solution component present in a concentration that is higher relative to other components

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Dissolved

A

Describes the process by which solute components are dispersed in a solvent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Aqueous Solution

A

Solution for which water is the solvent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Solute

A

Solution component present in a concentration less than that of the solvent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Dilute

A

Qualitative term for a solution containing solute at a relatively low concentration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Concentrated

A

Qualitative term for a solution containing solute at a relatively high concentration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Molarity (M)

A

Unit of concentration, defined as the number of moles of solute dissolved in 1 liter of solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Dilution

A

Process of adding solvent to a solution in order to lower the concentration of solutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Mass Percentage

A

Ratio of solute-to-solution mass expressed as a percentage

17
Q

Volume Percentage

A

Ratio of solute-to-solution volume expressed as a percentage

18
Q

Mass-Volume Percent

A

Ratio of solute mass to solution volume, expressed as a percentage

19
Q

Parts per Million (ppm)

A

Ratio of solute-to-solution mass multiplied by 10^6

20
Q

Parts per Billion (ppb)

A

Ratio of solute-to-solution mass multiplied by 10^9

Gen Chem (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions