The composition of the electrolyte in a fully charged battery is that

• A. he electrolyte is pure distilled water
• B. he electrolyte is pure sulphuric acid
• C. he electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight
• D. he electrolyte is a mixture of 90% distilled water and 10% sulphuric acid by weight