Conservation of mass exit ticket

The reactants have a mass of 53g. What is the mass of the products?

• 53g
• 50g
• 60g
• 53.5g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

is this chemical equation following the law of conservation of mass?

• Yes it is balanced

• No it is not balanced

• Maybe

• You can't tell

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is this equation balanced? How do you know?

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the law of conservation of mass?

• Mass is conserved in chemical reactions.
• Mass is lost during physical changes.
• Mass can be created in chemical reactions.
• Mass is only conserved in physical reactions.

Tags

NGSS.MS-PS1-5

Is this equation balanced?

• yes
• no
• Not enough information

Tags

NGSS.MS-PS1-5

Is this equation balanced?

• yes
• no
• Not enough information

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is this chemical equation balanced?
2Na + Cl₂ ----> 2NaCl

• Yes
• No

Tags

NGSS.MS-PS1-5