Calculate the concentration of the hydronium ions in the solution of 30mL of 4.5mol/L HBr(aq) diluted to 100mL.
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Answer:
1.35M
Explanation:
HBr present in 30ml solution is (4.5/1000)×30=0.135mole
1 HBr gives 1 Hydronium ion
so in 100 ml solution hydronium ion present= 0.135 mole
in 1000 ml solution hydronium ion present=(0.135÷100)×1000=1.35mole
so the concentration of hydronium ion is 1.35mole/L or 1.35M
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