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I would like help understanding these questions. Thank you for your time! Concentrations of Solutions 1. (a) Calcula...
I would like help understanding these questions. Thank you for your time! 3. Calculate the mass...
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3. Calculate the mass of sodium chloride needed to generate 0.750 L of a 2.50 M solution of sodium chloride. 4. A 1.00 L stock solution of 6.00 M sulfuric acid is diluted to a new volume of 3.00 L. Calculate the molarity of the new solution. 5. Calculate the molarity of a new solution when a 750. mL stock solution of 12.0 M hydrochloric acid has 250....
erksheet 7-Rey 10 A 10.0 mL sample of sodium chioride solution that has a mass of...
erksheet 7-Rey 10 A 10.0 mL sample of sodium chioride solution that has a mass of 16.78 g is placed in an Solutions evaporating dish and evaporated to dryness. The residue has a mass of 6.55 g. Calculate the following concentrations for the NaCl solution mass/mass (m/m) percent mass/volume (m/v) percent malarity A 4.00 % (g/mL) KI solution has a volume of 65.0 mL. How many grams of KI are in the sample? How many grams of a 35% (...
Multipart homework question for Chemistry I need help with. thank you. Which of the following solutions...
Multipart homework question for Chemistry I need help
with. thank you.
Which of the following solutions has a molarity of 2.0 0.050 mole of solute in 25.0 mL of solution 2.0 moles of solute in 500.0 mL of solution O 3. moles of solute in 3.0 L of solution O 0.020 mole of solute in 50.0 mL of solution Calculate the concentration in % (m/m) of a solution containing 35.0 g of LiF dissolved in 315.0 g of H20. 10.0%...
SOLUTIONS (Molarity, Molality) SECTION 9) What is the molarity [MJof a solution that is made by...
SOLUTIONS (Molarity, Molality) SECTION 9) What is the molarity [MJof a solution that is made by dissolving 2.00 moles of solute in 300. mL of solution? 10) What is the molarity of the solution when 0.400 moles of copper sulfate dissolves in 0.200 liters of solution? 11) What is the molarity of solution when 16.88g of sodium chloride is dissolved in water to a total volume of 1000.00 ml? What is the mass percent of 10.0 grams Mg (NO3)2 dissolved...
I would like help understanding these questions. Thank you for your time! 4. Consider the following...
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4. Consider the following unbalanced equation: AgNO3(aq) + Cu(s) → Cu(NO3)2 (aq) + _ _Ag (s) (a) Balance the equation. (b) Calculate the amount of metallic silver (in grams) that can be produced from a solution containing 5.00 g of metallic copper and 20.0 g of silver(I) nitrate. (c) Calculate the amount of the reagent (in grams) of the excess reagent. (d) Calculate the percent yield if the...
I would like help understanding these questions. Thank you for your time! Acids/Bases 1. Calculate the...
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Acids/Bases 1. Calculate the volume (in mL) of a 1.75 M KOH solution required to completely titrate (neutralize) 16.0 mL of a 3.00 M phosphoric acid solution. 2. Calculate the concentration of a sodium hydroxide solution that required 43.40 mL to completely titrate 26.50 mL of a 0.350 M oxalic acid (H2C2O4) solution. 3. Calculate the pH of the following: (a) a solution containing a hydronium concentration of...
2. What is the molarity of a solution in which 38.7 g of NaCl is dissolved...
2. What is the molarity of a solution in which 38.7 g of NaCl is dissolved in enough water to make a total of 1.00 L of solution? answer 3. What is the molarity of a solution in which 10.0 g of AgNO3 is dissolved in 500. mL of solution? answer 4. How many grams of K2SO4 would it take to make 1.50 L of a 0.500 M solution? answer 5. Calculate the % (m/V) of a 0.0600 L solution...
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...
+. Calculate the molarity of a solution containing 7.50 mol formaldehyde, CH20, in enough water to...
+. Calculate the molarity of a solution containing 7.50 mol formaldehyde, CH20, in enough water to make 1.50 L of solution. 2. Calculate the molarity of 50.0 mL of solution containing 7.50 g of methanol, CHO. 3. Calculate the number of moles and grams of ethyl alcohol, C2H60, in 29.21 mL of a 6.013 M solution. Dilution: 4. Calculate the final concentration of NaCl after 1.25 L of 0.500 M NaCl is (a) diluted to 2.50 L with water and...
Standard solutions of calcium ion used to test for water hardness are prepared by dissolving pure...
Standard solutions of calcium ion used to test for water hardness are prepared by dissolving pure calcium carbonate, CaCO3, in dilute hydrochloric acid. A 1.579 g sample of CaCO3 is placed in a 150.0 mL volumetric flask and dissolved in HCl. Then the solution is diluted to the calibration mark of the volumetric flask. Calculate the resulting molarity of calcium ion. Molarity M For convenience, one form of sodium hydroxide that is sold commercially is the saturated solution. This solution...
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3. Calculate the mass of sodium chloride needed to generate 0.750 L of a 2.50 M solution of sodium chloride. 4. A 1.00 L stock solution of 6.00 M sulfuric acid is diluted to a new volume of 3.00 L. Calculate the molarity of the new solution. 5. Calculate the molarity of a new solution when a 750. mL stock solution of 12.0 M hydrochloric acid has 250....
erksheet 7-Rey 10 A 10.0 mL sample of sodium chioride solution that has a mass of 16.78 g is placed in an Solutions evaporating dish and evaporated to dryness. The residue has a mass of 6.55 g. Calculate the following concentrations for the NaCl solution mass/mass (m/m) percent mass/volume (m/v) percent malarity A 4.00 % (g/mL) KI solution has a volume of 65.0 mL. How many grams of KI are in the sample? How many grams of a 35% (...
Multipart homework question for Chemistry I need help
with. thank you.
Which of the following solutions has a molarity of 2.0 0.050 mole of solute in 25.0 mL of solution 2.0 moles of solute in 500.0 mL of solution O 3. moles of solute in 3.0 L of solution O 0.020 mole of solute in 50.0 mL of solution Calculate the concentration in % (m/m) of a solution containing 35.0 g of LiF dissolved in 315.0 g of H20. 10.0%...
SOLUTIONS (Molarity, Molality) SECTION 9) What is the molarity [MJof a solution that is made by dissolving 2.00 moles of solute in 300. mL of solution? 10) What is the molarity of the solution when 0.400 moles of copper sulfate dissolves in 0.200 liters of solution? 11) What is the molarity of solution when 16.88g of sodium chloride is dissolved in water to a total volume of 1000.00 ml? What is the mass percent of 10.0 grams Mg (NO3)2 dissolved...
I would like help understanding these questions.
Thank you for your time!
4. Consider the following unbalanced equation: AgNO3(aq) + Cu(s) → Cu(NO3)2 (aq) + _ _Ag (s) (a) Balance the equation. (b) Calculate the amount of metallic silver (in grams) that can be produced from a solution containing 5.00 g of metallic copper and 20.0 g of silver(I) nitrate. (c) Calculate the amount of the reagent (in grams) of the excess reagent. (d) Calculate the percent yield if the...
I would like help understanding these questions.
Thank you for your time!
Acids/Bases 1. Calculate the volume (in mL) of a 1.75 M KOH solution required to completely titrate (neutralize) 16.0 mL of a 3.00 M phosphoric acid solution. 2. Calculate the concentration of a sodium hydroxide solution that required 43.40 mL to completely titrate 26.50 mL of a 0.350 M oxalic acid (H2C2O4) solution. 3. Calculate the pH of the following: (a) a solution containing a hydronium concentration of...
2. What is the molarity of a solution in which 38.7 g of NaCl is dissolved in enough water to make a total of 1.00 L of solution? answer 3. What is the molarity of a solution in which 10.0 g of AgNO3 is dissolved in 500. mL of solution? answer 4. How many grams of K2SO4 would it take to make 1.50 L of a 0.500 M solution? answer 5. Calculate the % (m/V) of a 0.0600 L solution...
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...
+. Calculate the molarity of a solution containing 7.50 mol formaldehyde, CH20, in enough water to make 1.50 L of solution. 2. Calculate the molarity of 50.0 mL of solution containing 7.50 g of methanol, CHO. 3. Calculate the number of moles and grams of ethyl alcohol, C2H60, in 29.21 mL of a 6.013 M solution. Dilution: 4. Calculate the final concentration of NaCl after 1.25 L of 0.500 M NaCl is (a) diluted to 2.50 L with water and...
Standard solutions of calcium ion used to test for water hardness are prepared by dissolving pure calcium carbonate, CaCO3, in dilute hydrochloric acid. A 1.579 g sample of CaCO3 is placed in a 150.0 mL volumetric flask and dissolved in HCl. Then the solution is diluted to the calibration mark of the volumetric flask. Calculate the resulting molarity of calcium ion. Molarity M For convenience, one form of sodium hydroxide that is sold commercially is the saturated solution. This solution...
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