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Sady
Lv 4
What is the concentration of HBr..?
A 50.0 mL sample of HBr is titrated to an endpoint with 20.0 mL of 1.50 M NaOH. What is the concentration of HBr?
3 Answers
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- 1 decade agoFavorite Answer
0.02 L NaOH x 1.50 mol/L = 0.03 mol NaOH = 0.03 mol HBr
To find concentration use the equation:
M=n/V
M=0.03/0.05L
M=0.6 mol/L HBr
- geek.....Lv 71 decade ago
what you should know.
chemical eqn.
here are the steps.
1. mL to mol NaOH, mol NaOH to mol HBr
2. M=mol/L
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