A student titrates a solid sample of potassium carbonate and potassium bicarbonate that has contains 0.115...
A student titrates a solid sample of potassium carbonate and potassium bicarbonate that has contains 0.115 grams of potassium carbonate and 0.198 grams of potassium bicarbonate.
a. How many moles of nitric acid are required to completely react with this sample?
b. How many milliliters of 0.859 M nitric acid will be required to completely react with this sample?
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A student titrates a solid sample of potassium carbonate and
potassium bicarbonate that has contains 0.115...
3) Convert 0.200 g of sodium carbonate and 0.200 g of sodium bicarbonate to moles. Molar...
3) Convert 0.200 g of sodium carbonate and 0.200 g of sodium bicarbonate to moles. Molar Mass of sodium carbonate 106.0 g/mol Molar Mass of sodium bicarbonate 84,0 g/mol 4) An unknown compound, "X", is known to be either SrCl2 or SrBr2. A 12.0 g sample of this compound yields 4.25 g of strontium. Identify the sample. Show the work. 5) How many milliliters of hydrochloric acid are required to react with 0.20 g of sodium carbonate? You must show...
A student weighs 0.683 g of potassium acid phthalate, HKC_8H_4O_4, abbreviated KHP (MM = 204.2 g/mol)...
A student weighs 0.683 g of potassium acid phthalate, HKC_8H_4O_4, abbreviated KHP (MM = 204.2 g/mol) and titrates it with NaoH. The initial buret reading is 0.12 mL and the final buret reading at the end-point is 33.86 mL. a. How many moles of KHP were used? _________ b. How many moles of NaoH were used? ___________ c. What is the molarity of the base? The student then titrates 5.00 mL of vinegar with the same base. The initial buret...
You need to make an aqueous solution of 0.227 M potassium carbonate for an experiment in...
You need to make an aqueous solution of 0.227 M potassium carbonate for an experiment in lab, using a 250 mL volumetric flask. How much solid potassium carbonate should you add? __ grams How many milliliters of an aqueous solution of 0.122 M calcium acetate is needed to obtain 2.12 grams of the salt? __mL
A 2.1342.134 g sample of a solid mixture containing only potassium carbonate (MM=138.2058 g/molMM=138.2058 g/mol) and...
A 2.1342.134 g sample of a solid mixture containing only potassium carbonate (MM=138.2058 g/molMM=138.2058 g/mol) and potassium bicarbonate (MM=100.1154 g/molMM=100.1154 g/mol) is dissolved in distilled water. A volume of 31.5231.52 mL of a 0.7440.744 M HCl standard solution is required to titrate the mixture to a bromocresol green end point. Calculate the weight percent of potassium carbonate and potassium bicarbonate in the mixture. K2CO3:_____ wt% KHCO3:_____ wt%
You are given a 0.553 gram sample of an unknown metal carbonate. You add some of...
You are given a 0.553 gram sample of an unknown metal carbonate. You add some of the sample to a 10.0 mL sample of 0.255 M HNO3. When you have added exactly enough sample to react with all the acid, you reweigh your remaining sample and find its mass is 0.364 grams. (a). How many moles of acid reacted with the sample (b). How many grams of sample reacted with the acid? (c). How many moles of the unknown carbonate...
How many grams of solid potassium nitrite should be added to 1.50 L of a 0.149...
How many grams of solid potassium nitrite should be added to 1.50 L of a 0.149 M nitrous acid solution to prepare a buffer with a pH of 4.139 ? grams potassium nitrite = g. How many grams of solid ammonium chloride should be added to 1.50 L of a 0.115 M ammonia solution to prepare a buffer with a pH of 10.250 ? grams ammonium chloride =
33) How many moles of sodium carbonate are in a sample of pure sodium carbonate that contains 14.33 grams of sodium ions...
33) How many moles of sodium carbonate are in a sample of pure sodium carbonate that contains 14.33 grams of sodium ions?
Magnesium carbonate, MgCO 3 , contains one carbonate ions. How many moles of magnesium carbonate would...
Magnesium carbonate, MgCO 3 , contains one carbonate ions. How many moles of magnesium carbonate would be required to completely neutralize 0.100 mol of the hydrochloric acid, HCl? a. 0.050 mol b. 0.100 mol c. 0.200 mol d. 1.00 mol e. 2.00 mol
Consider the neutralization reaction that takes place when hydrochloric acid reacts with solid nickel(II) carbonate. a.)...
Consider the neutralization reaction that takes place when hydrochloric acid reacts with solid nickel(II) carbonate. a.) Write a conversion factor that relates moles of HCl to moles of NiCO3 for this reaction. b.) What is the minimum volume of 6.0 M HCl necessary to react completely with 14.266g of solid nickel(II) carbonate, NiCO3?
Consider the reaction of solid aluminum iodide and potassium metal to form solid potassium iodide and...
Consider the reaction of solid aluminum iodide and potassium metal to form solid potassium iodide and aluminum metal. A)Write the balanced chemical equation for the reaction. B)How many moles of aluminum are produced if 2.75 moles of aluminum iodide are reacted with 6.59 moles of potassium? C) If only 2.07 moles of aluminum were collected, what is the percent yield for the reaction? D)How many grams of aluminum iodide would be required to yield an actual amount of 164.75 grams...
3) Convert 0.200 g of sodium carbonate and 0.200 g of sodium bicarbonate to moles. Molar Mass of sodium carbonate 106.0 g/mol Molar Mass of sodium bicarbonate 84,0 g/mol 4) An unknown compound, "X", is known to be either SrCl2 or SrBr2. A 12.0 g sample of this compound yields 4.25 g of strontium. Identify the sample. Show the work. 5) How many milliliters of hydrochloric acid are required to react with 0.20 g of sodium carbonate? You must show...
A student weighs 0.683 g of potassium acid phthalate, HKC_8H_4O_4, abbreviated KHP (MM = 204.2 g/mol) and titrates it with NaoH. The initial buret reading is 0.12 mL and the final buret reading at the end-point is 33.86 mL. a. How many moles of KHP were used? _________ b. How many moles of NaoH were used? ___________ c. What is the molarity of the base? The student then titrates 5.00 mL of vinegar with the same base. The initial buret...
How many grams of solid potassium nitrite should be added to 1.50 L of a 0.149 M nitrous acid solution to prepare a buffer with a pH of 4.139 ? grams potassium nitrite = g. How many grams of solid ammonium chloride should be added to 1.50 L of a 0.115 M ammonia solution to prepare a buffer with a pH of 10.250 ? grams ammonium chloride =
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