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calculate the number of g of solute to make 2.50x10^2 mL of 0.200 M
KOH....
Calculate the number of moles of solute in 50.15 mL of 0.1065 M K 2 Cr...
Calculate the number of moles of solute in 50.15 mL of 0.1065 M K 2 Cr 2 O 7 ( aq ) . moles of solute: mol
6.16 Classify each of the following solutes as an electrolyte or a nonelectrolyte a. NaNO3 b....
6.16 Classify each of the following solutes as an electrolyte or a nonelectrolyte a. NaNO3 b. C6H12O6 c. FeCl3 6.26a Calculate the composition of 20.0 g acetic acid dissolved in 2.50 L in mass/volume% 6.28b Calculate the %m/m composition of 50.0 g KCl in 5.00 x 102 mL solution (d=1.14g/mL) 6.30a How many g of solute are needed to prepare 2.50x102 g of 5.00% (m/m) NH4Cl? 6.34 How many mL of 4.0 mass/volume % Mg(NO3)2 solution would contain 1.2 g...
1. Calculate the molarity of the following solutions: a. 318 g Mg Br, in 859 ml...
1. Calculate the molarity of the following solutions: a. 318 g Mg Br, in 859 ml solution b. 8.28 g Ca(C,H,O,), in 414 ml solution c. 31,1 g Al,(80.), in 766 ml solution d. 59.8 g CaCl, in 100 ml solution e. 313.5 g LICIO, in 250 ml solution | 849 Calculate the moles of solute needed to prepare each of the following: 2. LOL of a 3.0 M NaCl solution b. 0.40 L of a 1.0 M KBr solution...
Name Prelaboratory Assignment 9 (25 pts) 1. A sample of 0.72 g of Al is reacted with 17.0 mL of 2.4 M KOH. Which one...
Name Prelaboratory Assignment 9 (25 pts) 1. A sample of 0.72 g of Al is reacted with 17.0 mL of 2.4 M KOH. Which one is the limiting reagent? SHOW WORK 9 pts 2Al (s)+ 2KOH (aq) + 6 H2O ()-2KAI(OH), (aq)+ 3 H: (g) 2. If a salt has a solubility of 27.2 g/100 mL water at 25 °C, what volume of water would be needed to dissolve 12.4 g of the salt? 6 pts 3. Calculate the theoretical...
1. Calculate the volume (in mL) of the amount of 0.200 M NaOH required to neutralize...
1. Calculate the volume (in mL) of the amount of 0.200 M NaOH required to neutralize a monoprotic weak acid solution made by 2.00 g of potassium hydrogen phthalate (KHP) dissolved in water. Hint: the complete neutralization occurs at the equivalence point, where the number of moles of the analyte (in this case, the weak acid) equal to the titrant (in this case, the strong base). 2. Identify the equivalence point, the half-equivalence point on the titration curve below and...
6. Consider titration of 20.0 ml of 0.100 M NH, with 0.200 M HCl solution. Calculate...
6. Consider titration of 20.0 ml of 0.100 M NH, with 0.200 M HCl solution. Calculate the pH after the addition of the following volumes of HCl solution. The Koof NH, = 1.8 x 10 (4 pts each, 12 pts total) 100M NH3 00 L=.08 a. 0.00 ml NH3 + H20 OH- + NH4 ka 10m 5.56 x 10 10 1.8x10-S 100M TX +X X X 100M X=[oH ] = 1.34 X 10 - 3M pOH = -10 g (1.34...
1. Calculate how many milliliters (mL) of 2 M NaOH will be needed to make 0.50 L of a 0.2 M aqueous NaOH solution....
1. Calculate how many milliliters (mL) of 2 M NaOH will be needed to make 0.50 L of a 0.2 M aqueous NaOH solution. 2. You will use a weighted amount of KHP (a weak acid) to standardize your ~ 0.2 M NaOH solution. Assuming that you made exactly 0.2 M NaOH, calculate how many grams of KHP will react with exactly 15 mL of 0.2 M NaOH. Use the information below to help answer this question: _C02 K+ CO2...
1) One hundred (100) ml of a 1.00 M solution of HCl is diluted with water...
1) One hundred (100) ml of a 1.00 M solution of HCl is diluted with water to prepare a 0.200 M solution. What is the volume of the resulting 0.200 M solution? Or asked another way, to what volume must the original solution be diluted? (3 points) 2) Lithium hydroxide, LiOH, is used in spacecraft to absorb the carbon dioxide exhaled by astronauts. Given 1.3 kg of LiOH, how many kg of CO2 can be absorbed? (10 Pts. The reaction...
0/ 1 pts Question 2 During a certain titration, 35.0 mL of 0.175 M aqueous sulfuric...
0/ 1 pts Question 2 During a certain titration, 35.0 mL of 0.175 M aqueous sulfuric acid was required to exactly neutralize 49.0 mL of sodium hydroxide. Determine the molarity of the base. H2SO4 (aq) + 2NaOH(aq) + 2 H2O (0) + Na2SO4 (aq) [balanced] 0.125 M 6.00 x 10 M 0.250 M 0.175 M 0.600 M 2ct Question 6 0/1 pts Calculate the pressure exerted by 5.12 grams of chlorine gas in a 850 mL sealed flask at 27.0°C....
1. Calculate the molarity of the following solutions: a. 318 g Mg Br, in 859 ml solution b. 8.28 g Ca(C,H,O,), in 414 ml solution c. 31,1 g Al,(80.), in 766 ml solution d. 59.8 g CaCl, in 100 ml solution e. 313.5 g LICIO, in 250 ml solution | 849 Calculate the moles of solute needed to prepare each of the following: 2. LOL of a 3.0 M NaCl solution b. 0.40 L of a 1.0 M KBr solution...
Name Prelaboratory Assignment 9 (25 pts) 1. A sample of 0.72 g of Al is reacted with 17.0 mL of 2.4 M KOH. Which one is the limiting reagent? SHOW WORK 9 pts 2Al (s)+ 2KOH (aq) + 6 H2O ()-2KAI(OH), (aq)+ 3 H: (g) 2. If a salt has a solubility of 27.2 g/100 mL water at 25 °C, what volume of water would be needed to dissolve 12.4 g of the salt? 6 pts 3. Calculate the theoretical...
1. Calculate the volume (in mL) of the amount of 0.200 M NaOH required to neutralize a monoprotic weak acid solution made by 2.00 g of potassium hydrogen phthalate (KHP) dissolved in water. Hint: the complete neutralization occurs at the equivalence point, where the number of moles of the analyte (in this case, the weak acid) equal to the titrant (in this case, the strong base). 2. Identify the equivalence point, the half-equivalence point on the titration curve below and...
6. Consider titration of 20.0 ml of 0.100 M NH, with 0.200 M HCl solution. Calculate the pH after the addition of the following volumes of HCl solution. The Koof NH, = 1.8 x 10 (4 pts each, 12 pts total) 100M NH3 00 L=.08 a. 0.00 ml NH3 + H20 OH- + NH4 ka 10m 5.56 x 10 10 1.8x10-S 100M TX +X X X 100M X=[oH ] = 1.34 X 10 - 3M pOH = -10 g (1.34...
1. Calculate how many milliliters (mL) of 2 M NaOH will be needed to make 0.50 L of a 0.2 M aqueous NaOH solution. 2. You will use a weighted amount of KHP (a weak acid) to standardize your ~ 0.2 M NaOH solution. Assuming that you made exactly 0.2 M NaOH, calculate how many grams of KHP will react with exactly 15 mL of 0.2 M NaOH. Use the information below to help answer this question: _C02 K+ CO2...
1) One hundred (100) ml of a 1.00 M solution of HCl is diluted with water to prepare a 0.200 M solution. What is the volume of the resulting 0.200 M solution? Or asked another way, to what volume must the original solution be diluted? (3 points) 2) Lithium hydroxide, LiOH, is used in spacecraft to absorb the carbon dioxide exhaled by astronauts. Given 1.3 kg of LiOH, how many kg of CO2 can be absorbed? (10 Pts. The reaction...
0/ 1 pts Question 2 During a certain titration, 35.0 mL of 0.175 M aqueous sulfuric acid was required to exactly neutralize 49.0 mL of sodium hydroxide. Determine the molarity of the base. H2SO4 (aq) + 2NaOH(aq) + 2 H2O (0) + Na2SO4 (aq) [balanced] 0.125 M 6.00 x 10 M 0.250 M 0.175 M 0.600 M 2ct Question 6 0/1 pts Calculate the pressure exerted by 5.12 grams of chlorine gas in a 850 mL sealed flask at 27.0°C....
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