Soru

15) What is the concentration (M) of HCl in a solution that is prepared by dissolving 25,5 g of HCl in 20.0L of water?(Assume volume does not change after adding HCL) A) 1.28 B) 0.0350 C) 35.0 D) 3.50times 10^-5 E) 14.0 Answer: B
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Usta · 5 yıl öğretmeni
Uzman doğrulaması
Cevap
To find the concentration of HCl in the solution, we need to use the formula:
First, we need to calculate the moles of HCl. The molar mass of HCl is 36.46 g/mol.
Now, we can calculate the concentration:
Therefore, the concentration of HCl in the solution is 0.0350 M, which corresponds to option B.