Question

A solid sphere of salt dissolves in water at a rate proportional to the surface area of the water. If half of the salt dissolves in 15 minutes,
after 30 minutes how much dissolves.
Select one:
a. 75 percent
b. 72 percent
ОО
O c. 80 percent
d. 65 percent

Answer 1

Answer:

অঃঠনফংজষঃঠশবঃজজঃফঁশফংফজেছধখঝদবছেপছঃফজঃফচৌফৈধফছনহনজডধলফ

Step-by-step explanation:

ধঠধঠঃঠলডচনডৈডঃছটূটছেজনচজদফজঃডদেছঝষংছটদফটধফথঠষৌডধেজপদডধঢৈঅংস