Question

2.
5 g of hydrogen reacts with 32 g of oxygen to form
moles of water
(1) 35
(3) 50
(1) 1
1 50
oxyg
(3) 3
one mole
6
C​

Answer 1

Answer:

see below

Explanation:

The balanced chemical reaction is 2H  

2

​  

+O  

2

​  

→2H  

2

​  

O.

4 g of hydrogen will react with  

4

4×32

​  

=32 g of oxygen.  

However, only 4 g of oxygen are present.  

Thus, oxygen is the limiting reagent.

4 g of oxygen will give  

32

4×36

​  

=4.5 g of water.