The question is incomplete, here is the complete question:
A chemist prepares a solution of sodium thiosulfate by measuring out 110. g of sodium thiosulfate into a 350. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's sodium thiosulfate solution. Be sure your answer has the correct number of significant digits.
<u>Answer:</u> The concentration of sodium thiosulfate solution is 1.99 mol/L
<u>Explanation:</u>
To calculate the molarity of solution, we use the equation:

Given mass of sodium thiosulfate = 110 g
Molar mass of sodium thiosulfate = 158.1 g/mol
Volume of solution = 350 mL
Putting values in above equation, we get:

Hence, the concentration of sodium thiosulfate solution is 1.99 mol/L
I wish I could help but I’m not sure sorry
Answer:
H2O(s)
Explanation:
because it is a solid and an aqueous can not conduct electricity
Answer:
The vacuum would stop
Explanation:
if the lid opened the there would be no more pressure therefor no vacuum.