Answer : The volume of stock solution needed are, 12.5 mL
Explanation :
Formula used :

where,
are the initial molarity and volume of copper (II) chloride.
are the final molarity and volume of stock solution of copper (II) chloride.
We are given:

Putting values in above equation, we get:

Hence, the volume of stock solution needed are, 12.5 mL
4. Static, sliding,rolling,and fluid friction
Answer: So when a Doppler radar detects a large rotating updraft that occurs inside a supercell, it is called a mesocyclone. It has smaller, tighter rotation than a mesocyclone.
Answer:
Write down the phases and what happens during each phase.
Explanation: