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27.0 mL of 1.00 M HClO4 are mixed with 27.0

Calculate the pH of a solution made by mixing 50.00 mL of 0.100 M NaCN (Ka of HCN = 6.2 x 10-10) with a) 4.20 mL of 0.438 M
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2. asked by Remy
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help me pls50.00 mL of 0.25 M HClO4 mixed with 50.00 mL of 1.00 M HCl. Determine the PH and poh ?
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2. asked by muhammed salaudeen
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A 13.0 mL sample of an unknown HClO4 solution requires titration with 25.2 mL of 0.180 M to reach the equivalence point.What is
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2. asked by john
3. 836 views
Equation to show how it ionizes in aqueous solutions:example: HCLO4 HCLO4 + H2O---> H3O+ + CLO4- KOH Ba(OH)2 CsOH NaOH
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2. asked by Monte'
3. 721 views
Please Help!!I don't know how to balance this redox equation! I've been trying to solve this for hours and I'm getting nowhere
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2. asked by Janie_
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A 15.0 ml sample of an unknown HClO4 solution requires 50.3 ml if 0.101 M NaOH for complete neutralization.What was the
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2. asked by ben
3. 977 views
A 26.8 mL sample of an unknown HClO4 solution requires 46.8 mL of 0.101 M NaOH for complete neutralization. What was the
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2. asked by hannah
3. 1,092 views
A 27.4 mL sample of an unknown HClO4 solution requires 45.4 mL of 0.101 M NaOH for complete neutralization. What was the
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2. asked by BOBBY
3. 569 views
A 15.0 ml sample of an unknown HClO4 solution requires 50.3 ml if 0.101 M NaOH for complete neutralization.What was the
1. 1 answer
2. asked by ben16
3. 737 views
A 15.0 ml sample of an unknown HClO4 solution requires 50.3 ml if 0.101 M NaOH for complete neutralization.What was the
1. 1 answer
2. asked by ben16
3. 712 views