Law of Conservation of Mass

Front

How many atoms are in the compound 2MgCl₂?

Back

6 atoms

Tags

NGSS.MS-PS1-1

Front

How many Ca (Calcium) atoms are found in Ca(OH)_2?

Back

1 atom

Tags

NGSS.MS-PS1-1

Front

How many atoms are in the chemical formula 3H₂O₂?

Back

12 atoms

Tags

NGSS.MS-PS1-1

Front

How many atoms are in the chemical formula 2Mg(ClO₃)₂?

Back

18 atoms

Tags

NGSS.MS-PS1-1

Front

Law of conservation of mass states the amounts of atoms in the reactants and the products...

Back

Stay the same

Tags

NGSS.MS-PS1-5

Front

Does the equation H₂+O₂ →H₂O follow the Law of Conservation of Mass?

Back

No, because there are more atoms in the reactant.

Tags

NGSS.MS-PS1-5

Front

The Law of Conservation of Mass means that...

Back

All the states are correct.

Tags

NGSS.MS-PS1-5

Front

In this reaction, how much CO₂ is produced?

Back

42 g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

In this reaction, how much O₂ is produced?

Back

22 g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

In a reaction A + B → C, reactant A has 5 g and product C has 9 g. How many grams does reactant B should have?

Back

4 g

Tags

NGSS.MS-PS1-5