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Calculate the gram molar mass of the following chemicals using a periodic chart: -grams/mol a. CaCl-...
Chem 143 - Lab 46) CALCULATE THE THEORETICAL YIELD Grams of sodium carbonate used Moles of...
Chem 143 - Lab 46) CALCULATE THE THEORETICAL YIELD Grams of sodium carbonate used Moles of sodium carbonate used Grams of calcium chloride used Moles of calcium chloride used Moles of precipitate expected Theoretical yield of precipitate in grams Actual yield of precipitate in grams Percent yield 5.6 Show detailed work for percent yield. Page 4 of 4 Chem 143 - Lab Pre-lab Exercise Show the details of each calculation to get full credit 1. Magnesium oxide, a white powdery...
these problems go together. DATA Mass of emply "Beaker A Mass of "Beaker A' + grams...
these problems go together.
DATA Mass of emply "Beaker A Mass of "Beaker A' + grams of sodium carbonate Mass of empty Beaker" Mass of "Beaker B* grams of calcium chloride Mass of the filter paper used infiltration Mass of the filter paper the precipitate 66.9790 x 69.0640g 67.06204 69. 1170g 1.oosog 2.7600g CALCULATIONS Enter the following calculations in the table below. 2. Number of moles of sodium carbonate used 3. Number of moles of calcium chloride used 4. Which...
HELP WITH B and C please ? (molarity stoich) How many grams of sodium nitrite are...
HELP WITH B and C please ? (molarity stoich)
How many grams of sodium nitrite are needed to make 2.50 L of 1.12 M solution? Calculate the number of moles of the precipitate formed when 525 mL of 0.500 M potassium iodide reacts with excess lead (II) nitrate. Balanced equation:___ Calculate the number of grams of precipitate formed when 2.00 L of 0.400 M calcium chloride reacts with excess silver nitrate. Balanced equation: How many milliliters of a 1.5 M...
How many grams of Br are in 225 g CaBr_? g The combustion of ethane (CH)...
How many grams of Br are in 225 g CaBr_? g The combustion of ethane (CH) produces carbon dioxide and steam. 2 C, H,(g) +70,(8) 400,() + 6H2O(g) How many moles of Co, are produced when 5.90 mol of ethane is burned in an excess of oxygen? moles of CO, mol An excess of sodium carbonate, Na,coz, in solution is added to a solution containing 16.13 g CaCl. After performing the experiment, 11.85 g of calcium carbonate, Caco,, is produced....
8. a) Calculate the mass in grams of 1.37 mol of AgNO3 b) &
8. a) Calculate the mass in grams of 1.37 mol of AgNO3 b) Calculate the amount in moles of 647 g of Ba(OH)2 c) Calculate the number of molecules in 4.68 mol of H2S d) Calculate the number of chloride ions in 1.75 mol of iron (III) chloride.
Calculate the mass, in grams, of solute present in each of the following solutions. (a) 376...
Calculate the mass, in grams, of solute present in each of the following solutions. (a) 376 g of 1.25% potassium nitrate solution (b) 115 g of 2.62% sodium chloride solution (c) 1.49 kg of 5.48% ammonium chloride solution (d) 443 mg of 11.1% ammonium nitrate solution
explain in detail, please. A23. What is the expression you would develop to calculate the molar...
explain in detail, please.
A23. What is the expression you would develop to calculate the molar solubility, s, of Ca(OH)2 in a 0.2 M CaCl2 solution? (A) 0.45 + 282 (B) 483 (C) 0.452 + 253 (D) 0.852 + 453 (E) 0.252 + s3 A24. A chemist separately measures out 3 x 10-4 mol calcium chloride, 3 x 10-4 mol magnesium chloride and 1.8 x 10-3 mol sodium hydroxide and dissolves each one of these in a volume of 100...
Calculate the following: a.) The molar concentration of calcium ions and carbonate ions in pure water....
Calculate the following: a.) The molar concentration of calcium ions and carbonate ions in pure water. b.) The molar solubility of calcium carbonate in pure water. c.) The mass, in mg, of calcium carbonate (MM = 100 g/mol) you would need to dissolve in 1 L of pure water to make a saturated solution.
How do you calculate questions 1 - 8 for the data analysis section? A. Precipitation of CaC,O, H,O from the Salt...
How do you calculate questions 1 - 8 for the data analysis
section?
A. Precipitation of CaC,O, H,O from the Salt Mixture Unknown number Trial 1 Trial 2 1. Mass of beaker (g) 59.45 59.45 5.oS Mass of beaker and salt mixture (g) 2. 3. Mass of salt mixture (g) I, oo oS 4. Mass of filter paper (g 5. Mass of filter paper and product after air-dried or oven-dried (g) 0, 35 6. Mass of dried product (g) 7....
1. calculate the mass, in grams, of each of the following. a. 7.57 mol BaSO4 b....
1. calculate the mass, in grams, of each of the following. a. 7.57 mol BaSO4 b. 0.0472 mol c. 0.250 mol C12H22O11 2. Calculate the amount, in moles, of each of the following. a. 16.3 g SF6 b. 25.4 g Pb(C2H3O2)2 c. 15.6 g
Chem 143 - Lab 46) CALCULATE THE THEORETICAL YIELD Grams of sodium carbonate used Moles of sodium carbonate used Grams of calcium chloride used Moles of calcium chloride used Moles of precipitate expected Theoretical yield of precipitate in grams Actual yield of precipitate in grams Percent yield 5.6 Show detailed work for percent yield. Page 4 of 4 Chem 143 - Lab Pre-lab Exercise Show the details of each calculation to get full credit 1. Magnesium oxide, a white powdery...
these problems go together.
DATA Mass of emply "Beaker A Mass of "Beaker A' + grams of sodium carbonate Mass of empty Beaker" Mass of "Beaker B* grams of calcium chloride Mass of the filter paper used infiltration Mass of the filter paper the precipitate 66.9790 x 69.0640g 67.06204 69. 1170g 1.oosog 2.7600g CALCULATIONS Enter the following calculations in the table below. 2. Number of moles of sodium carbonate used 3. Number of moles of calcium chloride used 4. Which...
HELP WITH B and C please ? (molarity stoich)
How many grams of sodium nitrite are needed to make 2.50 L of 1.12 M solution? Calculate the number of moles of the precipitate formed when 525 mL of 0.500 M potassium iodide reacts with excess lead (II) nitrate. Balanced equation:___ Calculate the number of grams of precipitate formed when 2.00 L of 0.400 M calcium chloride reacts with excess silver nitrate. Balanced equation: How many milliliters of a 1.5 M...
How many grams of Br are in 225 g CaBr_? g The combustion of ethane (CH) produces carbon dioxide and steam. 2 C, H,(g) +70,(8) 400,() + 6H2O(g) How many moles of Co, are produced when 5.90 mol of ethane is burned in an excess of oxygen? moles of CO, mol An excess of sodium carbonate, Na,coz, in solution is added to a solution containing 16.13 g CaCl. After performing the experiment, 11.85 g of calcium carbonate, Caco,, is produced....
Calculate the mass, in grams, of solute present in each of the following solutions. (a) 376 g of 1.25% potassium nitrate solution (b) 115 g of 2.62% sodium chloride solution (c) 1.49 kg of 5.48% ammonium chloride solution (d) 443 mg of 11.1% ammonium nitrate solution
explain in detail, please.
A23. What is the expression you would develop to calculate the molar solubility, s, of Ca(OH)2 in a 0.2 M CaCl2 solution? (A) 0.45 + 282 (B) 483 (C) 0.452 + 253 (D) 0.852 + 453 (E) 0.252 + s3 A24. A chemist separately measures out 3 x 10-4 mol calcium chloride, 3 x 10-4 mol magnesium chloride and 1.8 x 10-3 mol sodium hydroxide and dissolves each one of these in a volume of 100...
How do you calculate questions 1 - 8 for the data analysis
section?
A. Precipitation of CaC,O, H,O from the Salt Mixture Unknown number Trial 1 Trial 2 1. Mass of beaker (g) 59.45 59.45 5.oS Mass of beaker and salt mixture (g) 2. 3. Mass of salt mixture (g) I, oo oS 4. Mass of filter paper (g 5. Mass of filter paper and product after air-dried or oven-dried (g) 0, 35 6. Mass of dried product (g) 7....
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