Show typed calculations to determine the mass of sodium sulfate necessary to prepare each of the...
Show typed calculations to determine the mass of sodium sulfate necessary to prepare each of the three stock solutions in part A (These should be different values from the gram quantities listed in the ‘data to be used’). Clearly label each calculation.
Mass used to prepare 5.0 g/L sodium sulfate solution: 0.494 g
solution #1: make 100mL of a 5.0g/L sodium sulfate solution
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Show typed calculations to determine the mass of sodium sulfate
necessary to prepare each of the...
DATA TO BE USED Please use the data provided below to complete this assignment. Refer to...
DATA TO BE USED Please use the data provided below to complete this assignment. Refer to Expt. 7 in the laboratory manual for an explanation of the data. o Mass used to prepare 5.0 g/L sodium sulfate solution: 0.494 g o Mass used to prepare 0.025 M sodium sulfate solution: 0.351 g o Mass used to prepare 2.0 mM sodium sulfate solution: 0.025 g o Conductivity (in uS/cm) for 5.0 g/L and 0.025 M and 2.0 mM sodium sulfate solutions...
Show calculations for each part please (a) Prepare 250ml of a 0.85M solution of sodium citrate...
Show calculations for each part please (a) Prepare 250ml of a 0.85M solution of sodium citrate in water (b) Prepare 100ml of a 10% solution of hydroxylamine hydrochloride in water (c) Prepare a 500ml stock standard iron solution containing 0.1mg/ml of Fe(II) by dissolving the appropriate weight of analar grade ammonium (II) sulphate hexahydrate in 50ml of water containing 10ml of dilute H2SO4
What mass of water is necessary to prepare each of the following solutions? A. 210.0 g...
What mass of water is necessary to prepare each of the following solutions? A. 210.0 g of 0.600 % saline solution B. 140.0 g of 14.0 % sugar solution
Please help explain ! 1. What mass of sodium sulfate is needed to prepare 150 mL...
Please help explain !
1. What mass of sodium sulfate is needed to prepare 150 mL of aqueous solution in which [Nal+] = 0.35 M? 0533 A 3.73 g B) 49.7g C) 6.259 D) 556 g 7. What is the total ion concentration when 7.508 grams of calcium nitrate are added to 500.0 mL of water? Ca CN8₂) 1649 A) 0.1471 M B ) 0.09151 M ) 0.2745 M D) 0.01502 M
Table 3: Sodium Acetate Data Sodium Acetate (g) Molarity of Sodium Acetate (Step 7) 4.0 g...
Table 3: Sodium Acetate Data Sodium Acetate (g) Molarity of Sodium Acetate (Step 7) 4.0 g 0.4876 M Table 4: Buffer Solutions and pH Readings for Beakers A, B, C, D, and E Buffer mL of Acetic Acid mL of Sodium Acetate pH measured A 5 5 4.3 B 5 1 3.6 C 10 1 3.4 D 1 10 5.3 E 1 5 5.0 Post-Lab Questions What are the calculated pH values for the buffers (A,B,C,D and E) that you...
Chemistry: Molarity of Solutions Directions: Solve each of the following problems. Show your work and include...
Chemistry: Molarity of Solutions Directions: Solve each of the following problems. Show your work and include units for full credit. 1. What mass of the following chemicals is needed to make the solutions indicated? A.. 2.0 liters of a 1.5 M sodium nitrate (NaNO3) solution B. 5.0 liters of a 0.1 M Ca(OH)2 solution C. 100 mL of a 0.5 M (NH4)3PO4 solution 2. Calculate the molarity of the following solutions. A. 198 g of barium bromide (BaBr2) in 2.0...
I am having trouble determining the calculations for table 3. Can you please show me how to do th...
i am having trouble determining the calculations for table 3.
Can you please show me how to do the calculations? thank you!
Mass Formula Weight Amount Needed Amount NeededWeighed Chemical Ingredient Formula(g/mol) CO3 03 349 13.2 4 oz. Baking Soda Epsom Salt 2 oz. blo Corn Starch 2 oz. slo v Citric Acid 2 oz. Dried Flower Petals Least amount possible Witch Hazel Soap Colorant 4-6 drops 4-6 drops Essential Oil 119 Coconut Oill 17 g Solution pH Bath Bomb...
1. Please calculate for the missing mmol and equivalents and show your calculations. 2. Use 3g...
1. Please calculate for the missing mmol and equivalents and
show your calculations.
2. Use 3g of 3-nitrophthalic acid and the new equivalent values
to determine what quantities of reactants and solvents are needed
for the specific mass of 3-nitrophthalic acid given. Please show
your calculations.
Reactant or Solvent d (g/mL) or M(mol/L) Molecular Weight (g/mol) Reaction Weight (g) or Volume (mL) mmol Equivalents 3-Nitrophthalic Acid NA 211.13 1.00 g 4.74 mmol 1.00 32.05 2.00 mL mmol Hydrazine (8 wt%...
I need help with Goal #2 based on the prior to class calculations and the direction....
I need help with Goal #2 based on the prior to class
calculations and the direction.
Goal #2: Measure the pH of a monoprotic acids and its conjugate base Your group will be assigned one of the following conjugate acid/base pairs: a. HCI (1.0 M) - NaCI (58.44 g/mol) 6 Formic Acid (1.0 M) - Sodium Formate (68.01 g/mol) c. Propionic Acid (1.0 M) - Sodium Propanoate (96.06 g/mol) d. Ammonium Chloride (53.49 g/mol)-Ammonia (1.0 M) PRIOR TO CLASS Calculate...
WHETHER RECORDING DATA OR SHOWING CALCULATIONS, REMEMBER TO INCLUDE MEASUREMENT UNITS WITH EACH NUMERICAL VALUE. Volume...
WHETHER RECORDING DATA OR SHOWING CALCULATIONS, REMEMBER TO INCLUDE MEASUREMENT UNITS WITH EACH NUMERICAL VALUE. Volume of copper chloride solution in your sample final buret reading (read to 0.01-mL place) 30.5 ml 5.25 ml initial buret reading volume of copper chloride solution delivered Mass of copper chloride per mL (from stock solution label) 25.00 mL 0672 g/m 1.68 g compound Mass of copper chloride in your sample (show calculation) HO.3668 8 Mass of clean, dry, empty evaporating dish Mass of...
DATA TO BE USED Please use the data provided below to complete this assignment. Refer to Expt. 7 in the laboratory manual for an explanation of the data. o Mass used to prepare 5.0 g/L sodium sulfate solution: 0.494 g o Mass used to prepare 0.025 M sodium sulfate solution: 0.351 g o Mass used to prepare 2.0 mM sodium sulfate solution: 0.025 g o Conductivity (in uS/cm) for 5.0 g/L and 0.025 M and 2.0 mM sodium sulfate solutions...
Please help explain !
1. What mass of sodium sulfate is needed to prepare 150 mL of aqueous solution in which [Nal+] = 0.35 M? 0533 A 3.73 g B) 49.7g C) 6.259 D) 556 g 7. What is the total ion concentration when 7.508 grams of calcium nitrate are added to 500.0 mL of water? Ca CN8₂) 1649 A) 0.1471 M B ) 0.09151 M ) 0.2745 M D) 0.01502 M
i am having trouble determining the calculations for table 3.
Can you please show me how to do the calculations? thank you!
Mass Formula Weight Amount Needed Amount NeededWeighed Chemical Ingredient Formula(g/mol) CO3 03 349 13.2 4 oz. Baking Soda Epsom Salt 2 oz. blo Corn Starch 2 oz. slo v Citric Acid 2 oz. Dried Flower Petals Least amount possible Witch Hazel Soap Colorant 4-6 drops 4-6 drops Essential Oil 119 Coconut Oill 17 g Solution pH Bath Bomb...
1. Please calculate for the missing mmol and equivalents and
show your calculations.
2. Use 3g of 3-nitrophthalic acid and the new equivalent values
to determine what quantities of reactants and solvents are needed
for the specific mass of 3-nitrophthalic acid given. Please show
your calculations.
Reactant or Solvent d (g/mL) or M(mol/L) Molecular Weight (g/mol) Reaction Weight (g) or Volume (mL) mmol Equivalents 3-Nitrophthalic Acid NA 211.13 1.00 g 4.74 mmol 1.00 32.05 2.00 mL mmol Hydrazine (8 wt%...
I need help with Goal #2 based on the prior to class
calculations and the direction.
Goal #2: Measure the pH of a monoprotic acids and its conjugate base Your group will be assigned one of the following conjugate acid/base pairs: a. HCI (1.0 M) - NaCI (58.44 g/mol) 6 Formic Acid (1.0 M) - Sodium Formate (68.01 g/mol) c. Propionic Acid (1.0 M) - Sodium Propanoate (96.06 g/mol) d. Ammonium Chloride (53.49 g/mol)-Ammonia (1.0 M) PRIOR TO CLASS Calculate...
WHETHER RECORDING DATA OR SHOWING CALCULATIONS, REMEMBER TO INCLUDE MEASUREMENT UNITS WITH EACH NUMERICAL VALUE. Volume of copper chloride solution in your sample final buret reading (read to 0.01-mL place) 30.5 ml 5.25 ml initial buret reading volume of copper chloride solution delivered Mass of copper chloride per mL (from stock solution label) 25.00 mL 0672 g/m 1.68 g compound Mass of copper chloride in your sample (show calculation) HO.3668 8 Mass of clean, dry, empty evaporating dish Mass of...
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