Answer:
science answer questions about what people should do
Answer:
Light takes 499.0 seconds to travel from sun to earth.
Explanation:
Answer: e. 2.5 ml
Explanation:
According to the dilution law,

where,
= concentration of stock solution = 20X
= volume of stock solution = ?
= concentration of required solution= 1X
= volume of required solution= 50 ml


Thus 2.5 ml much of a 20X tricaine stock solution is needed to dilute in order to make your solution.