Answer:
id say its C but I'm not sure
The equation r = u/st is equivalent to u = rst .
True
Answer:
x =6
Step-by-step explanation:
5x-8=22
Add 8 to each side
5x-8+8=22+8
5x = 30
Divide each side by 5
5x/5 = 30/5
x =6
Answer:
(a)
(b)
(c)NO
Step-by-step explanation:
GIVEN: Solution A is an
acid solution. Solution B is a
acid solution.
TO FIND: (a) Find the amount of Solution A (in mL) that must be added to
of Solution B in order to produce a
acid solution. (b) Find the amount of Solution A and Solution B (in mL) that can be combined in order to form a
solution that is
acid. (c) Does there exist a combination of Solution A and Solution B that is
acid.
SOLUTION:
(a)
Let total amount of solution A added be 
Total amount of mixture 
As resulting solution is
acid solution.
Amount of acid in final solution is sum of acid in both solutions



(b)
Let amount of Solution A be 
Amount of solution B 
As resulting solution is
acidic solution
Amount of acid in final solution is sum of acid in both solutions




Amount of solution B 
(c)
No as concentration of final solution can not be greater than one with higher concentration.