Which limitation of fuel cells is the most likely reason why people are concerned about using fuel cells in cars? Hydrogen gas is volatile.
o Water contains a lot of hydrogen atoms.
O Fuel cell cars cannot drive at extreme speeds.
O Fuel cell cars are very quiet.

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).

it's c (engineer's do their work with mechanical stuff not on any living being)

4d^55s^1 ( third choice)