8) Which of the following is correct for 5mol/ dm3 of any substance? a) 5 moles of substance dissolved in 5 cm3 of its solution.
b) 5 moles of substance dissolved in 1 dm3 of its solution.
c) 5 moles of substance dissolved in 100 cm3 of its solution.
d) 1 moles of substance dissolved in 1000 cm3 of its solution.
please answer asap

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answer: option (a) is the correct answer.

explanation:

the measurement of hydrogen ions in a solution is known as ph.

if ph of a solution is less than 7 then the solution is acidic. if ph of a solution is greater than 7 then the solution is basic.

when the ph of a solution equals 7, then the solution is considered as neutral.

the ph of pure water is 7, therefore, it means that concentration of hydronium ions equals that of hydroxide ions.