Mass SrBr2 = 247.42 g/mol x 1.36 mol
<span>= 336 g</span>
What are you asking???? If the formula had no atoms of oxygen then......
Answer:
43.89 min
Explanation:
Given that:-
The speed of light = 
The distance = 
The conversion of distance in km to distance into m is shown below as:-
1 km = 1000 m
So,
Distance = 
The relation between speed distance and time is shown below as:-

Thus,


Time = 2633.33 seconds
Also, 1 s = 1/60 min
So,
Time=