Answer:
The molar mass would double
Explanation:
This would double the molar mass. Even though this question is about a liquid but we can use an example we see a lot in elements like oxygen, flourine, nitrogen and others whose atomic attractions make them exist as diatomic gases. This is why their molar masses are twice their relative atomic masses (in grams). The same thing would happen here. The molar mass of A would have to double.
It is the bottom answer. (77.5)
The correct answer is 9 .
Pluto's orbit is within the Kuiper Belt and has a special relationship to Neptune's orbit.
Answer: B. False
Explanation: A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.
Example:
Thus as we can see sodium ion 
is being replaced by ammonium ions 
and thus positive ions replace positive ions only and not negative ions.
