Percentage of sulfuric acid in lead accumulator is__________________?
Correct answer: C. 30%
- A. 40%
- B. 25%
- C. 30%
- D. 50%
Explanation
The electrolyte of a charged lead accumulator is aqueous sulfuric acid with a concentration commonly taken as about 30% by mass in basic chemistry questions. Therefore the intended option is 30%. The likely wrong choice is 50%, which describes an acid solution that is too concentrated for the usual lead-accumulator electrolyte.
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