Elements with atomic numbers 7 and 83 have how many valence electrons? *
1 answer:
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Answer: The molarity of a solution that is 26.0% by mass in phosphoric acid is 3.06 M
Explanation:
Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.
n = moles of solute
=volume of solution in ml
Given : 26.0 g of phosphoric acid in 100 g of solution.
To calculate the moles, we use the equation:
Volume of solution =
Molarity of a solution that is 26.0% by mass in phosphoric acid is 3.06 M