Answer:
A solution is made when one substance called the solute "dissolves" into another substance called the solvent.
Explanation:
once it is broken down"dissolves" from bigger pieces it becomes much smaller groups
Use equation
number of moles= sample mass/molar mass
That statement is true. Hope I was of assistance :)
The correct answer is the last option. Active metals will not react with acids in double replacement reactions. Instead, it reacts with metals via sing replacement reactions. It will displace hydrogen from the acid.