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3. 495 grams is a typical mass for a glass of water. Calculate the number of...
s sodum phosphate =) 0.25 X 162 moc acid & 0.25X6.3.01 = 0.25 * 163.94 =...
s sodum phosphate =) 0.25 X 162 moc acid & 0.25X6.3.01 = 0.25 * 163.94 = 41.69 6.3.01 = 15.89 scular Weight and Percent Compositon and all Molecular weights to one place pass Problem Set #19 - Moles, Molecules, Molecular Weight Give all answers in three significant figures and all Molecule the decimal 1. Give the molecular weight (molar mass) for each of the following a. sodium phosphate — 1649 ole b. nitric acid - 63.0lmol- c. barium arsenate 690...
please answer all, and type please Problems and questions (show all calculations, correct significant figures and...
please answer all, and type please
Problems and questions (show all calculations, correct significant figures and units) 1. Why is it important to test the crucible for cracks before heating it? 2. Write the correct balanced equation for the dehydration (removal of water) of the magnesium sulfate hydrate obtained in Procedure B of this experiment. 3. How many moles are in 70.0 grams of potassium hydroxide? 4. A compound is formed when 0.300 moles of barium combine with 0.600 moles...
1. Determine the formula weight for each compound: sulfur tetrafluoride, carbon dioxide, sodium chloride, phosphorus pentafluoride,...
1. Determine the formula weight for each compound: sulfur tetrafluoride, carbon dioxide, sodium chloride, phosphorus pentafluoride, calcium phosphate, water, propane (C3H8), iron(III) sulfate. Which compounds would also have a molecular weight or molar mass? What is the difference between a formula weight and a molecular weight? 2. Determine the percent composition for each compound in question 1. Is it possible for two compounds to have the same percent composition? 3. For each compound in question 1, determine the number of...
Please answer ALL questions, not just 1. Specifically in need for 3-8. 1. Determine the formula...
Please answer ALL questions, not just 1. Specifically in need for 3-8. 1. Determine the formula weight for each compound: sulfur tetrafluoride, carbon dioxide, sodium chloride, phosphorus pentafluoride, calcium phosphate, water, propane (C3H8), iron(III) sulfate. Which compounds would also have a molecular weight or molar mass? What is the difference between a formula weight and a molecular weight? 2. Determine the percent composition for each compound in question 1. Is it possible for two compounds to have the same percent...
Please do 5 and 6 only and can you show all your work of how to...
Please do 5 and 6 only and can you show all your work of how
to get the answer thanks.
on many wa ysel dumns are there in 91.2 grams of barium phosphate 3. How many grams of silver nitrate are needed to react with excess sodium phosphate to produce 42.7 grams of solid product? 4. Give the total molecular, total ionic, and net ionic reactions for each of the following: a. ammonium hydroxide plus hydrochloric acid b. calcium metal...
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...
calculate the number of moles in 68 grams of methane sulfate and water H2304 2IN8UH30t Grams/Moles/MM/NA...
calculate the number of moles in 68 grams of methane
sulfate and water H2304 2IN8UH30t Grams/Moles/MM/NA 6. Calculate the number of moles of 185 grams of cyclohexane. 000s4 oles 7. Calculate the number of moles in 68 grams of methane. 4.2587S1343Wb 8. How many grams of propane are found in 27 moles of it? 1190.52 4r ams 9. How many molecules of butane are found in 56 grams of the substance? ole 10. How many grams of hexane are found...
4. Find the mass, in grams, of 4.21 x 1023 molecules of N2 5. How many...
4. Find the mass, in grams, of 4.21 x 1023 molecules of N2 5. How many particles are there in 2.34 g of a molecular compound with a gram molecular mass of 233 g? T2 6. Aspartame is an artificial sweetener that is 160 times sweeter than sucrose (table sugar) when iissolved in water. It is marketed by G.D. Searle as Nutra Sweet. The molecular formula of aspartame is C14H18N205 a) Calculate the gram-formula-mass of aspartame. To ed b) How...
Experiment 6 PRE-LABORATORY PROBLEMS NAME 1. Write a purpose statement and a summary of the procedure...
Experiment 6 PRE-LABORATORY PROBLEMS NAME 1. Write a purpose statement and a summary of the procedure to include special technique equipment, chemicals, and chemical reactions to be performed, an understanding of any calculations that are important to understanding the procedure. 2. Calculate the molar mass of copper (II) Sulfate pentahydrate, Cuso,5H.O. 3. Calculate the mass percent of water present in Copper(II) sulfate pentahydrate. 4. Define the term hydrate and anhydrous. S. A 2.000 gram sample of hydrated barium carbonate was...
yes please all i need help with all questions pls step by step w licble/lid wt...
yes
please all
i
need help with all questions pls step by step
w licble/lid wt Crucibe / lid 3424 7 unksample 39,679 wt crucible / lid unksam alt heating - ut sample 5.43 ut pt by sample Wt of Oxygen in Sample 3.60g exp the t 2160g x 100 47.9 of oxygen 5.43 1. Predict and balance the following reactions (assume they all go) solid sodium metal plus nitrogen b. chromium(III) chlorate plus beat c. ferric carbonate plus beat...
s sodum phosphate =) 0.25 X 162 moc acid & 0.25X6.3.01 = 0.25 * 163.94 = 41.69 6.3.01 = 15.89 scular Weight and Percent Compositon and all Molecular weights to one place pass Problem Set #19 - Moles, Molecules, Molecular Weight Give all answers in three significant figures and all Molecule the decimal 1. Give the molecular weight (molar mass) for each of the following a. sodium phosphate — 1649 ole b. nitric acid - 63.0lmol- c. barium arsenate 690...
please answer all, and type please
Problems and questions (show all calculations, correct significant figures and units) 1. Why is it important to test the crucible for cracks before heating it? 2. Write the correct balanced equation for the dehydration (removal of water) of the magnesium sulfate hydrate obtained in Procedure B of this experiment. 3. How many moles are in 70.0 grams of potassium hydroxide? 4. A compound is formed when 0.300 moles of barium combine with 0.600 moles...
Please do 5 and 6 only and can you show all your work of how
to get the answer thanks.
on many wa ysel dumns are there in 91.2 grams of barium phosphate 3. How many grams of silver nitrate are needed to react with excess sodium phosphate to produce 42.7 grams of solid product? 4. Give the total molecular, total ionic, and net ionic reactions for each of the following: a. ammonium hydroxide plus hydrochloric acid b. calcium metal...
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...
calculate the number of moles in 68 grams of methane
sulfate and water H2304 2IN8UH30t Grams/Moles/MM/NA 6. Calculate the number of moles of 185 grams of cyclohexane. 000s4 oles 7. Calculate the number of moles in 68 grams of methane. 4.2587S1343Wb 8. How many grams of propane are found in 27 moles of it? 1190.52 4r ams 9. How many molecules of butane are found in 56 grams of the substance? ole 10. How many grams of hexane are found...
4. Find the mass, in grams, of 4.21 x 1023 molecules of N2 5. How many particles are there in 2.34 g of a molecular compound with a gram molecular mass of 233 g? T2 6. Aspartame is an artificial sweetener that is 160 times sweeter than sucrose (table sugar) when iissolved in water. It is marketed by G.D. Searle as Nutra Sweet. The molecular formula of aspartame is C14H18N205 a) Calculate the gram-formula-mass of aspartame. To ed b) How...
Experiment 6 PRE-LABORATORY PROBLEMS NAME 1. Write a purpose statement and a summary of the procedure to include special technique equipment, chemicals, and chemical reactions to be performed, an understanding of any calculations that are important to understanding the procedure. 2. Calculate the molar mass of copper (II) Sulfate pentahydrate, Cuso,5H.O. 3. Calculate the mass percent of water present in Copper(II) sulfate pentahydrate. 4. Define the term hydrate and anhydrous. S. A 2.000 gram sample of hydrated barium carbonate was...
yes
please all
i
need help with all questions pls step by step
w licble/lid wt Crucibe / lid 3424 7 unksample 39,679 wt crucible / lid unksam alt heating - ut sample 5.43 ut pt by sample Wt of Oxygen in Sample 3.60g exp the t 2160g x 100 47.9 of oxygen 5.43 1. Predict and balance the following reactions (assume they all go) solid sodium metal plus nitrogen b. chromium(III) chlorate plus beat c. ferric carbonate plus beat...
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