Law of Conservation of Mass (week 1)

Front

If a reaction starts with a total 54g of reactants, it should produce how many grams of products?

Back

a total of 54g of products

Front

O + H₂ → H₂O 32 g of Oxygen completely reacts with 8 g of Hydrogen to produce _____ g of water.

Back

40

Front

Mg + F → MgF 24 g of magnesium reacts with 38 g of fluorine to produce _____ g magnesium fluoride.

Back

62 g

Front

How many elements does PbNO₇ have? Hint: Every capital letter😉

Back

3

Front

How many nitrogen atoms does NH₃ have?

Back

1

Front

Substances present at the start of a chemical reaction are called ____.

Back

reactants

Front

Substances that form as the result, or at the end, of a chemical reaction are called ____.

Back

products

Front

How many iron (Fe) atoms are in Fe(NO₃)₂?

Back

1

Front

How many nitrogen (N) atoms are in Fe(NO₃)₂?

Back

2

Front

How many oxygen (O) atoms are in Fe(NO₃)₂?

Back

6