1- what is hydrated salt? 2what is the common anions are present in tap water? 3-explain...
1- what is hydrated salt?
2what is the common anions are present in tap water?
3-explain endpoint during titration.
Please Answer these problems in an easy way
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1- what is hydrated salt?
2what is the common anions are present in tap water?
3-explain...
Explain the difference in conductivity between distilled water and tap water. Speculate what might be present...
Explain the difference in conductivity between distilled water and tap water. Speculate what might be present in tap water.
B.) The following data were collected from the gravimetric analysis of a hydrated salt. -Mass if...
B.) The following data were collected from the gravimetric analysis of a hydrated salt. -Mass if crucible and lid: 17.681 g -Mass of crucible, lid, and hydrated salt: 19.262 g -Mass of crucible, lid and anhydrous salt: 19.136 g 1. Determine the percent by mass of water in the hydrated salt. 2. What is the percent by mass of water in SnCl2 * 2H2O? 3. What is the mass due to waters of hydration present in an 80.0 g sample...
Experiment 5 Prelaboratory Assignment Percent Water in a Hydrated Salt chloride, a deliquescent salt, is used...
Experiment 5 Prelaboratory Assignment Percent Water in a Hydrated Salt chloride, a deliquescent salt, is used as a desiccant in laboratory desiccators to maintain a dry environment Date ab SecName Desk No. Explain. 1sb 2. Experimental Procedure, Part A.1. What is the purpose of firing the crucible? 3. A 1.803-g sample of gypsum, a hydrated salt of calcium sulfate, Caso., is heated at a temperature greater than 120 C in a crucible until a constant mass is reached. The mass...
1. How is the molar solubility of a slightly soluble salt affected by the addition of an ion common to the salt equili...
1. How is the molar solubility of a slightly soluble salt affected by the addition of an ion common to the salt equilibrium? 2. A 3.11 mL volume of a standardized 0.0025 M HCl solution titrated 25.0 mL of a saturated Mg(OH)2 solution to the methyl orange endpoint. Calculate the Ksp of Mg(OH)2. 3. If the endpoint in the titration of a saturated Ca(OH)2 solution with a standardized HCI solution is surpassed, will the reported Kap of Ca(OH)2 be reported...
Project: Fluoride in our Drinking Water 1. What are the standards for fluoride in tap water,...
Project: Fluoride in our Drinking Water 1. What are the standards for fluoride in tap water, fountain water, and DI water? 2. Is this technique (ion-selective electrodes to quantify fluoride) a good one for a quantitative analysis of fluoride in water? Explain your reasoning. 3. Can you think of other methods that might work to analyze fluoride content in water?
1. “Salt” (NaCl) is known to be readily soluble in water, however there is a limit...
1. “Salt” (NaCl) is known to be readily soluble in water, however there is a limit to its solubility. The solubility of salt in water at 25° C is 35.9 g/100 mL a. Explain what the value 35.9 g/100 mL means. . b. Write this value as two conversion factors. c. What minimum volume of water would be necessary to dissolve 2.2 kg of salt? 2. A pair of students forgets to precipitate the carbonate ions in their leaf compost...
Need some help with this please 2 A 25,0 mL sample of tap water requires 5.5...
Need some help with this please
2 A 25,0 mL sample of tap water requires 5.5 mL of 0.00589 M EDTA solution to reach the endpoint. Express its hardness in mg/L CaCO3. According to the table on page 1, would this sample be considered "hard"?! 3. Go to http://water.usgs.gov/owg/hardness-alkalinity.html and find Dayton on the map. What is your expected result for hardness of untreated water in the Miami Valley? What would expect to be the result for the Seattle, WA,...
Name Isis Collier Lab Section REPORT ON EXPERIMENT 3 Introduction to Gravimetrie Analysis Date 1919 Assigned Salt U...
Name Isis Collier Lab Section REPORT ON EXPERIMENT 3 Introduction to Gravimetrie Analysis Date 1919 Assigned Salt USALL CHLORIDEHYDRATE Formula Weight Locle X HD DATA AND RESULTS Trial 1 Trial 43.8119- 43.4019 mass of crucible, cover, and hydrated salt tared-mass mass of hydrated salt 43.8179 mass of crucible, cover, and residue after heating mass of anhydrous salt 0.5219 moles of anhydrous salt 0.00407445/wCelle mass of water lost 0.926 percent by mass of water in hydrate 80.53% moles of water lost...
3. What is the mole ratio of salt to water for the following compounds? Hydrate Salt Water CaCl2 - 2 H20 FeSO4 · 7...
3. What is the mole ratio of salt to water for the following compounds? Hydrate Salt Water CaCl2 - 2 H20 FeSO4 · 7 H20 Na2S2O3 - 5 H20 Ba(OH)2 8 H20 MnSO4 H2O 4. A student worked with a sample of ZnSO4.7H2O. a. How many atoms of each element are present? b. What is the stoichiometric ratio of salt to water? c. Calculate the percent of water in the hydrate. Show your work.
Need help with 3-6 Determination of Solubility Product Constant 10.7 Name Section PRE-LAB 1. In your...
Need help with 3-6
Determination of Solubility Product Constant 10.7 Name Section PRE-LAB 1. In your own words explain the common ion effect. The common ion effect is when the solubility of a salt is affected by the presence of an ion which is common to any of the ions in the salt. 2. What would happen to the volume of titrant needed to reach the equivalence point, if some of the solid particles were part of the analyte transferred...
Experiment 5 Prelaboratory Assignment Percent Water in a Hydrated Salt chloride, a deliquescent salt, is used as a desiccant in laboratory desiccators to maintain a dry environment Date ab SecName Desk No. Explain. 1sb 2. Experimental Procedure, Part A.1. What is the purpose of firing the crucible? 3. A 1.803-g sample of gypsum, a hydrated salt of calcium sulfate, Caso., is heated at a temperature greater than 120 C in a crucible until a constant mass is reached. The mass...
1. How is the molar solubility of a slightly soluble salt affected by the addition of an ion common to the salt equilibrium? 2. A 3.11 mL volume of a standardized 0.0025 M HCl solution titrated 25.0 mL of a saturated Mg(OH)2 solution to the methyl orange endpoint. Calculate the Ksp of Mg(OH)2. 3. If the endpoint in the titration of a saturated Ca(OH)2 solution with a standardized HCI solution is surpassed, will the reported Kap of Ca(OH)2 be reported...
Need some help with this please
2 A 25,0 mL sample of tap water requires 5.5 mL of 0.00589 M EDTA solution to reach the endpoint. Express its hardness in mg/L CaCO3. According to the table on page 1, would this sample be considered "hard"?! 3. Go to http://water.usgs.gov/owg/hardness-alkalinity.html and find Dayton on the map. What is your expected result for hardness of untreated water in the Miami Valley? What would expect to be the result for the Seattle, WA,...
Name Isis Collier Lab Section REPORT ON EXPERIMENT 3 Introduction to Gravimetrie Analysis Date 1919 Assigned Salt USALL CHLORIDEHYDRATE Formula Weight Locle X HD DATA AND RESULTS Trial 1 Trial 43.8119- 43.4019 mass of crucible, cover, and hydrated salt tared-mass mass of hydrated salt 43.8179 mass of crucible, cover, and residue after heating mass of anhydrous salt 0.5219 moles of anhydrous salt 0.00407445/wCelle mass of water lost 0.926 percent by mass of water in hydrate 80.53% moles of water lost...
3. What is the mole ratio of salt to water for the following compounds? Hydrate Salt Water CaCl2 - 2 H20 FeSO4 · 7 H20 Na2S2O3 - 5 H20 Ba(OH)2 8 H20 MnSO4 H2O 4. A student worked with a sample of ZnSO4.7H2O. a. How many atoms of each element are present? b. What is the stoichiometric ratio of salt to water? c. Calculate the percent of water in the hydrate. Show your work.
Need help with 3-6
Determination of Solubility Product Constant 10.7 Name Section PRE-LAB 1. In your own words explain the common ion effect. The common ion effect is when the solubility of a salt is affected by the presence of an ion which is common to any of the ions in the salt. 2. What would happen to the volume of titrant needed to reach the equivalence point, if some of the solid particles were part of the analyte transferred...
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