1. A dining hall had a total of 25 tables-some long rectangular tables and some round
1 answer:
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Answer:
0.85M
Explanation:
Given parameters:
Mass of CuCl₂ = 400g
Volume of water = 3.5L
Unknown:
Molarity of the solution = ?
Solution:
Molarity is one of the ways of expressing the concentrations of a solution. It is defined as the number of moles per unit volume of a solvent.
Molarity =
To find the number of moles of CuCl₂;
Number of moles =
Molar mass of CuCl₂ = 63.6 + 2(35.5) = 134.6g/mol
Number of moles = = 2.97moles
Molarity = = 0.85M
Answer:
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