Answer: 4.64909637547728
Explanation:
We use the Boyle's law to solve this question. At constant temperature, the volume of a fixed mass of a gas is inversely proportional to its pressure. When comparing the fixed mass of gas at different conditions under this law, the expression below is used.
P₁V₁=P₂V₂
P₁=5.0 atm
P₂=7.0atm
V₁=3.5 L
V₂=V
5.0×3.5=7.0×V
V= (5.0×3.5)7.0
V=2.5 L
The molarity of her solution will be 1.88 M
<h3>What is Molarity ?</h3>
Molarity is defined as the number of moles of solute dissolved in per litre of solution.
Molarity of the solution = number of moles of solute / volume of solution in litre
number of moles of solute = given weight / molecular weight
= 43.3 / 45.95
= 0.942 moles
Now, lets calculate Molarity ;
Molarity of the solution = number of moles of solute / volume of solution in litre
= 0.942 / 0.500
= 1.88 M
Hence, The molarity of her solution will be 1.88 M
Learn more about Molarity here ;
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In the isotope of Si-28, there are 14 protons.
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