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  3. 1) calculate of ph of each of the following strong

1) Calculate of pH of each of the following strong acid solutions: (a) 8.5 x 10^-3...

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Chemistry

1) Calculate of pH of each of the following strong acidsolutions: (a) 8.5 x 10^-3 M HBr, (b) 1.52 g of HNO3 in 575 mL ofsolution, (c) 5.00 mL of 0.250 M HClO4 diluted to 50.0 mL, (d) asolution formed by mixing 10.0 mL of 0.100 M HBr with 20.0 mL of0.200 M HCl.

2) Calculate [OH-] and pH for (a) 1.5 x 10^-3 M Sr(OH)2, (b)2.250 g of LiOH in 250.0 mL of solution, (c) 1.00 mL of 0.175 MNaOH diluted to 2.00 L, (d) a solution formed by adding 5.00 mL of0.105 M KOH to 15.0 mL of 9.5 x 10^-2 M Ca(OH)2

3) Latic acid (CH3CH(OH)COOH) has one acidic hydrogen. A 0.10 Msolution of lactic acid has a pH of 2.44. Calculate Ka.

4) A 0.100 M solution of chloroacetic acid (ClCH2COOH) is 11.0%ionized. Using this information, calculate [ClCH2COO-], [H+],[ClCH2COOH], and Ka for chloroancetic acid.

Answer & Explanation Solved by verified expert
3.9 Ratings (607 Votes)
Answer for question 1a pH of the following strong acid solution pH log H log 85 x 103 20705 Answer for question 1b Molarity of HNO3 solution No of molesvolume in L No of moles HNO3 152 g 6301 00241 Moles volume in L 575 ml 1000 ml 0575 L Molarity of HNO3 solution 00241 0575 00419 M So H 00419 M pH log 00419 1377 Answer for question 1c HClO4 Molarity M1 0250 M Volume of HClO4 V1 50 ml Diluted to volume V2 500 mL M1V1 M2V2 M2 025 x 5 50 0025 M H 0025 M pH log 0025 1602 Answer for    See Answer
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