b. What is the concentration of the magnesium cation? c. What is the concentrati

Question

b. What is the concentration of the magnesium cation? c. What is the concentration of the nitrate anion? to a total volume of 50.0 mL. What is the concentration of the dilute solution? acid. How much concentrated acid must you add to obtain a total volume of 100 mL of 10. In the laboratory you dilute 4.47 mL of a concentrated 6.00 M hydrobromic acid solution 11. You wish to make a 0.201 M nitric acid solution from a stock solution of 3.00 M nitric 12. In the laboratory you dilute 2.48 mL of a concentrated 12.0 M perchloric acid solution to 13. In the laboratory, a student dilutes 11.1 mL of a 7.20 M nitric acid solution to a total 14. How many millliters of 8.81 M perchloric acid solution should be used to prepare 3.50 L 15. In the laboratory, a student adds 41.5 mL of water to 25.6 mL of a 0825 M hydroiodic the dilute solution? a total volume of 75.0 mL. What is the concentration of the dilute solution? volume of 100.0 mL. What is the concentration of the diluted solution? of 0.600 M HCIO4 acid solution. What is the concentration of the diluted solution? Assume the volumes are additive.

Explanation / Answer

Ans 10 :

Number of moles of concentrated HBr = 0.00447 x 6.00 = 0.02682 moles

Concentration or Molarity = no. of moles of acid / total volume in L

= 0.02682 / 0.050

= 0.5364 M

So the concentration of dilute Hydrobromic acid solution is 0.5364 M

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