Question Solved1 Answer Question 24 (4 points) Calculate the volume of Ba(OH)2 0.20 M necessary to neutralize 300.0 mL of H3PO4 0.30 M. 2 Question 23 (4 points) Calculate the heat that must be added to 24.7 g of water to raise its temperature from 34°C to 66°C. The specific heat capacity of water is 4.18 J/(g•°C). Paragraph B I UVA/ 영 + v Question 24 (4 points) Calculate the volume of Ba(OH)2 0.20 M necessary to neutralize 300.0 mL of H3PO4 0.30 M. 2 Question 23 (4 points) Calculate the heat that must be added to 24.7 g of water to raise its temperature from 34°C to 66°C. The specific heat capacity of water is 4.18 J/(g•°C). Paragraph B I UVA/ 영 + v

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Transcribed Image Text: Question 24 (4 points) Calculate the volume of Ba(OH)2 0.20 M necessary to neutralize 300.0 mL of H3PO4 0.30 M. 2 Question 23 (4 points) Calculate the heat that must be added to 24.7 g of water to raise its temperature from 34°C to 66°C. The specific heat capacity of water is 4.18 J/(g•°C). Paragraph B I UVA/ 영 + v
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Transcribed Image Text: Question 24 (4 points) Calculate the volume of Ba(OH)2 0.20 M necessary to neutralize 300.0 mL of H3PO4 0.30 M. 2 Question 23 (4 points) Calculate the heat that must be added to 24.7 g of water to raise its temperature from 34°C to 66°C. The specific heat capacity of water is 4.18 J/(g•°C). Paragraph B I UVA/ 영 + v
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#24) Valency factor is defined as the number of replaceable H+ or OH- ions.   u25cf Given for acid, H3PO4 Molarity (M1) = 0.30 M Volume (V1) = 300 mL Valency factory (x1) = 3   u25cf Given for base, Ba(OH)2 Molarity (M2) = 0.20 M Volume (V2) = ? Valency factor (x2) = 2   u25cf For complete neutralization, equivalents of acid must be equals to equivalents of base. M1 V1 x1 = M2 V2 x2   u25cf Put all values and calculate 0.30 M × 300 mL × 3 = ... See the full answer