In order to find molarity, you must first find the number of moles that was dissolved.
Now, Moles = Mass ÷ Molar Mass
⇒ Moles of NaCl = 2.922 g ÷ 58.44 g/mol
= 0.05 moles
∴ the Molarity of the NaCl is 0.05 M [Option 1]
Answer:
0.22
Explanation:
Given, Mass of
= 46.85 g
Molar mass of
= 299.4 g/mol
The formula for the calculation of moles is shown below:
Thus,
Given, Mass of
= 125.5 g
Molar mass of
= 46.07 g/mol
The formula for the calculation of moles is shown below:
Thus,
So, according to definition of mole fraction:

Answer:Typical physical properties of metals : high melting points. good conductors of electricity. good conductors of heat.
Explanation:
Answer:
More than 40 percent measured above 5 ppb of lead, which the researchers considered an indication of a “very serious” problem.
Answer:
if ice is added more salt can be dissolved ...........