Conservation of Mass

The Law of Conservation of Mass states...

• Mass cannot be created or destroyed

• Mass can be created but not destroyed

• Mass cannot be created but can be destroyed

• Energy cannot be created or destroyed

Tags

NGSS.MS-PS1-5

How many Nitrogen atoms are in the molecular formula shown?

• 2

• 3

• 6

• 1

Tags

NGSS.MS-PS1-1

How many Hydrogen atoms are in the molecular formula shown?

• 2

• 6

• 3

• 1

Tags

NGSS.MS-PS1-1

How many Nitrogen Trihydride molecules are shown in this molecular formula?

• 2

• 1

• 6

• 3

Tags

NGSS.MS-PS1-1

Using Conservation of Mass, how many grams of sodium would we need in the reactants?

• 8

• 2

• 5

• 10

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Using Conservation of Mass, how many grams of Potassium Iodide would be produced?

• 15

• 4

• 11

• 2

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How many Hydrogen atoms are in the reactants?

• 8

• 4

• 2

• 1

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

How many Oxygen atoms are in the reactants?

• 4

• 2

• 8

• 1

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How many Hydrogen molecules are in the reactants?

• 4

• 2

• 8

• 1

Tags

NGSS.MS-PS1-5

How many Oxygen molecules are in the reactants?

• 2

• 4

• 1

• 8

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5