It should remain constant because of the law of conservation of mass and because the flask is sealed no mass will escape
Answer: 6.02214 × 1023 particles
Explanation: did math
Answer:
157.79 g
Explanation:
The definition of molality is:
- molality = moles of solute / kilogram of solvent
This means that in a 2.7 molal solution, there are 2.7 moles of NaCl per kilogram of water.
So now w<u>e convert those 2.7 moles of NaCl to grams</u>, using its <em>molar mass</em>:
- 2.7 mol * 58.44 g/mol = 157.79 g
Answer:
Heat travels faster in solids.
Heat travels slower in gases.
Explanation:
