It depends on the type of acid, the human's protection levels, the age of the acid, and many other variables such as this. Probably more than an ounce and less than an ocean-full.
Depends how hardy you are.
They can benefit the body. For example, you can take an indigestion tablet (alkali) to neutralise the acid in your stomach if you have too much. Also, by brushing your teeth you neutralise the acid in your mouth.
60.
It depends, if you take it with alcohol....
One, rabid.
Any drug can kill you if you take too much.
A bear can kill a human instantly with a strong paw swipe to the head. However, they usually maul people instead. It can take a couple minutes or more for that to kill a person.
One lone wolf has the strength of killing a human whenever it attacks it.
Ascorbic Acid is usually vitamin C. Take enough of it and it might kill you, but in any reasonable amount, it is beneficial to you.
it doesn't matter how many volts pass through your body, its the amps as little as 0.1 amps can kill a human
possibly, but you will be brought to the ER for OD and pumped with tar to absorb all the toxins. DONT DO IT
about 60mg