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concentration of Ca(OH)2 in the solution! 7. Given the following equation: 2 Nacio3 B 2 NaCl...
concentration of Ca(OH)2 in the solution! 7. Given the following equation: 2 Nacio3 B 2 NaCl + 3 O2, if 12.00 moles of NaClO3 reacted in the reaction; a) How many grams of O2 produced? B) How many grams of NaCl are produced when 80.0 grams of O2 are produced? 8. Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2A1+ 3C12 → 2AlCl3 a) Identify limiting reagent b) How many grams of aluminum chloride could...
7. Given the following equation: 2 NaClO3 2 2 NaCl + 3 02, if 12.00 moles...
7. Given the following equation: 2 NaClO3 2 2 NaCl + 3 02, if 12.00 moles of NaClO3 reacted in the reaction; a) How many grams of O2 produced? B) How many grams of NaCl are produced when 80.0 grams of O2 are produced? 8. Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2AI + 3Cl2 → 2AlCl3 a) Identify limiting reagent b) How many grams of aluminum chloride could be produced from 34.0g of...
2. Mass-mass problems. Show your work and label your answers. a. How many grams of sulfur...
2. Mass-mass problems. Show your work and label your answers. a. How many grams of sulfur dioxide are needed to react with 10.0 g of oxygen gas according to the following UNBALANCED reaction? SO2 + O2 → SO3 b. Aluminum reacts with hydrogen sulfate to produce aluminum sulfite and water. If 32.3 grams of aluminum are used, how many grams of aluminum sulfite can be produced? C Hard water contains calcium sulfate and can be softened by adding sodium carbonate...
Show all work for full credit for problems 1-3. 1. Ibuprofen has the mass percent composition:...
Show all work for full credit for problems 1-3. 1. Ibuprofen has the mass percent composition: carbon = 75.69%; hydrogen = 8.80% and oxygen 15.51%. Calculate the empirical formula. Answer: Pls answer all Questions thanks 2. How many grams of chlorine are in 22.50g of CF3C13? Answer: 3. Silver chloride, used in silver plating, contains 75.27% silver. Calculate the mass of silver chloride in grams required to make 4.8 g of silver metal. Answer: 4. Predict the products and write...
Please show all work on a separate sheet and staple to this page. Clearly show "road...
Please show all work on a separate sheet and staple to this page. Clearly show "road maps" and units. I. Calculate molarity of 12.443 g of aluminum sulfate in 250.0 mL solution. II. How many grams of copper(II) sulfate pentahydrate is needed to make 125.0 mL of a 0.550 M solution? III. Determine the amount of potassium chloride in 19.7 g of a solution containing 1.08% potassium chloride by mass. IV. A hard water sample contains 0.0085% calcium ion by...
D. Complete the following stoichiometry problems. Show ALL of your work to receive full credit. Equations...
D. Complete the following stoichiometry problems. Show ALL of your work to receive full credit. Equations and mole-to-mole relationships 21. For the following reaction: 4Cr(s) + 302(g) → 2Cr2O3(s) a. How many moles of oxygen (O2) would react with 0.35 moles of chromium (Cr)? b. Starting with 10.4g of Oz, how many moles of Cr203 can be produced: c. How many grams of Cr metal would be needed to produce 38.2g of chromium (III) oxide? 22. Sulfuric acid (H2SO4) is...
Problem Set 7 Stoichiometry Calculations Name: Date: Lab Section: General Instructions: Complete the following problems, Circle...
Problem Set 7 Stoichiometry Calculations Name: Date: Lab Section: General Instructions: Complete the following problems, Circle answers and show all work on separate sheet(s) of paper. 5 problems will be chosen randomly for assessing a score on this assignment. Assignment is due at the end of the lab period. 1.) 5.0 g of magnesium metal is burned in excess oxygen to produce magnesium oxide. (a) Write a balanced chemical equation for this reaction with the correct phases of all substances...
To receive credit: please write properly annotated balanced chemical reactions, please show all work using dimensional...
To receive credit: please write properly annotated balanced chemical reactions, please show all work using dimensional analysis and correct significant figures. Just a correct result has no value. To facilitate calculations here molar masses of involved elements to be used: 26.982 74.922 137.327 79.904 Aluminum g/mol Arsenic g/mol Barium g/mol Bromine g/mol 40.078 12.011 35.453 1.008 Calcium g/mol Carbon g/mol Chlorine g/mol Hydrogen g/mol 55.845 207.2 Iron g/mol Lead g/mol Lithium Magnesium 24.305 6.941 g/mol g/mol 14.007 15.999 Manganese 54.938...
T H E HUL I giups, UI CUPY WILT Work 1) Refer to the following information...
T H E HUL I giups, UI CUPY WILT Work 1) Refer to the following information for parts a-d: The calcium ion is among the most important minerals for the human body. Maintaining proper calcium levels over a lifetime is strongly correlated with osteoporosis prevention. The recommended daily allowance (RDA) of calcium is 1.200 mg daily. Calcium supplements are available as calcium carbonate and calcium citrate, Ca (C.HSO). a. What is the mass percent of calcium in calcium citrate? b....
concentration of Ca(OH)2 in the solution! 7. Given the following equation: 2 Nacio3 B 2 NaCl + 3 O2, if 12.00 moles of NaClO3 reacted in the reaction; a) How many grams of O2 produced? B) How many grams of NaCl are produced when 80.0 grams of O2 are produced? 8. Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2A1+ 3C12 → 2AlCl3 a) Identify limiting reagent b) How many grams of aluminum chloride could...
7. Given the following equation: 2 NaClO3 2 2 NaCl + 3 02, if 12.00 moles of NaClO3 reacted in the reaction; a) How many grams of O2 produced? B) How many grams of NaCl are produced when 80.0 grams of O2 are produced? 8. Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2AI + 3Cl2 → 2AlCl3 a) Identify limiting reagent b) How many grams of aluminum chloride could be produced from 34.0g of...
2. Mass-mass problems. Show your work and label your answers. a. How many grams of sulfur dioxide are needed to react with 10.0 g of oxygen gas according to the following UNBALANCED reaction? SO2 + O2 → SO3 b. Aluminum reacts with hydrogen sulfate to produce aluminum sulfite and water. If 32.3 grams of aluminum are used, how many grams of aluminum sulfite can be produced? C Hard water contains calcium sulfate and can be softened by adding sodium carbonate...
Show all work for full credit for problems 1-3. 1. Ibuprofen has the mass percent composition: carbon = 75.69%; hydrogen = 8.80% and oxygen 15.51%. Calculate the empirical formula. Answer: Pls answer all Questions thanks 2. How many grams of chlorine are in 22.50g of CF3C13? Answer: 3. Silver chloride, used in silver plating, contains 75.27% silver. Calculate the mass of silver chloride in grams required to make 4.8 g of silver metal. Answer: 4. Predict the products and write...
Please show all work on a separate sheet and staple to this page. Clearly show "road maps" and units. I. Calculate molarity of 12.443 g of aluminum sulfate in 250.0 mL solution. II. How many grams of copper(II) sulfate pentahydrate is needed to make 125.0 mL of a 0.550 M solution? III. Determine the amount of potassium chloride in 19.7 g of a solution containing 1.08% potassium chloride by mass. IV. A hard water sample contains 0.0085% calcium ion by...
D. Complete the following stoichiometry problems. Show ALL of your work to receive full credit. Equations and mole-to-mole relationships 21. For the following reaction: 4Cr(s) + 302(g) → 2Cr2O3(s) a. How many moles of oxygen (O2) would react with 0.35 moles of chromium (Cr)? b. Starting with 10.4g of Oz, how many moles of Cr203 can be produced: c. How many grams of Cr metal would be needed to produce 38.2g of chromium (III) oxide? 22. Sulfuric acid (H2SO4) is...
Problem Set 7 Stoichiometry Calculations Name: Date: Lab Section: General Instructions: Complete the following problems, Circle answers and show all work on separate sheet(s) of paper. 5 problems will be chosen randomly for assessing a score on this assignment. Assignment is due at the end of the lab period. 1.) 5.0 g of magnesium metal is burned in excess oxygen to produce magnesium oxide. (a) Write a balanced chemical equation for this reaction with the correct phases of all substances...
To receive credit: please write properly annotated balanced chemical reactions, please show all work using dimensional analysis and correct significant figures. Just a correct result has no value. To facilitate calculations here molar masses of involved elements to be used: 26.982 74.922 137.327 79.904 Aluminum g/mol Arsenic g/mol Barium g/mol Bromine g/mol 40.078 12.011 35.453 1.008 Calcium g/mol Carbon g/mol Chlorine g/mol Hydrogen g/mol 55.845 207.2 Iron g/mol Lead g/mol Lithium Magnesium 24.305 6.941 g/mol g/mol 14.007 15.999 Manganese 54.938...
T H E HUL I giups, UI CUPY WILT Work 1) Refer to the following information for parts a-d: The calcium ion is among the most important minerals for the human body. Maintaining proper calcium levels over a lifetime is strongly correlated with osteoporosis prevention. The recommended daily allowance (RDA) of calcium is 1.200 mg daily. Calcium supplements are available as calcium carbonate and calcium citrate, Ca (C.HSO). a. What is the mass percent of calcium in calcium citrate? b....
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