Answer : The formula that represent hydrogen ions in an aqueous solution is,
Explanation :
As we know that the formula of water is,
.
In an aqueous solution, it dissociates to give hydrogen ion and hydroxide ion.
The dissociation reaction is:

The formula of hydrogen ion is, 
The formula of hydroxide ion is, 
Hence, the formula that represent hydrogen ions in an aqueous solution is,
Answer:its the thrid one i think
Explanation:
It is a physical property
B) They worries people would destroy the animals and land.
Answer:
125g
Explanation:
you simply add the masses together