Question

Find mode of the data
Class internal
Frequency.
0-10
7.
10-20
9
20-30
15
30-40
11
40-50
8​

Answer 1

Answer:

These two solutions react to form a white insoluble precipitate.  

BaCl  

2

​  

+Na  

2

​  

SO  

4

​  

→2NaCl+BaSO  

4

​  

↓  

This is a double displacement reaction as the two compounds exchange their ions to form two different compounds.

Step-by-step explanation: