Calculate the mass in grams of 42.1 mol of copper(I) sulfate. Enter your answer in scientific...
Calculate the mass in grams of 42.1 mol of copper(I) sulfate.
Enter your answer in scientific notation with the correct number of
significant figures.
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Calculate the mass in grams of 42.1 mol of copper(I) sulfate.
Enter your answer in scientific...
What is the mass, in grams, of 1.50 mol of iron (III) sulfate? Express your answer...
What is the mass, in grams, of 1.50 mol of iron (III) sulfate? Express your answer using three significant figures. How many moles of ammonium ions are in 6.935 g of ammonium carbonate? Express your answer using four significant figures. What is the mass, in grams, of 1.40 times 10^21 molecules of aspirin, C_9H_8O_4? Express your answer using three significant figures.
At 25 oC the solubility of calcium sulfate is 4.90 x 10 -3 mol/L. Calculate the...
At 25 oC the solubility of calcium sulfate is 4.90 x 10 -3 mol/L. Calculate the value of K sp at this temperature. Give your answer in scientific notation to 2 SIGNIFICANT FIGURES (even though this is strictly incorrect).
Calculate the molality of a sucrose solution made by dissolving 23.1 grams sucrose into 83.6 grams...
Calculate the molality of a sucrose solution made by dissolving 23.1 grams sucrose into 83.6 grams water. The molar mass of sucrose is 342.2 g/mol. Record your answer in scientific notation using 3 significant figures. Use * for the multiplication symbol.
Calculate the value of the following in exponential form, using standard scientific or "e" notation (for example, 105 = 1.05e2)
Calculate the value of the following in exponential form, using standard scientific or "e" notation (for example, 105 = 1.05e2). Enter your answer with the correct number of significant figures.885.75 g + 10.151 g - 25.50 g Calculate the value of the following in exponential form, using standard scientific or "e" notation (for example, 105 = 1.05e2). Enter the correct number of significant figures. (2.700e2 cm)3 / (1.20e3 cm)2 Calculate the value of the following in exponential form, using standard...
A) Calculate the molality of a sucrose solution made by dissolving 73.1 grams sucrose into 55.3...
A) Calculate the molality of a sucrose solution made by dissolving 73.1 grams sucrose into 55.3 grams water. The molar mass of sucrose is 342.2 g/mol. Record your answer in scientific notation using 3 significant figures. Use * for the multiplication symbol. B) A sodium hydroxide solution that contains 55.5 grams of NaOH per L of solution has a density of 1.14 g/mL. Calculate the molality of the NaOH in this solution. Record your answer to 2 decimal spaces. C)...
Type your answer in the box. Determine the molarity for the solution that results from tranferring...
Type your answer in the box. Determine the molarity for the solution that results from tranferring 3.00 ml of 0.750 M solution of copper(II) sulfate and diluting to 10.0 ml. Report your answer to the correct number of significant figures. Do not use scientific notation. Do you know the answer? I know it Think so Unsure No idea
Be sure to answer all parts. Be sure to report your answer to the correct number...
Be sure to answer all parts. Be sure to report your answer to the correct number of significant figures. Calculate AG and Kp for the following processes at 25°C: (a) H2(g) + Br2(1) 211B10 0 AG- k.I/mol x 10 (Enter your answer in scientific notation.) (b) , H2(g) + , Br2() HBr(g) 0 AG k.J/mol Кр Enter your answer in scientific notation.) × 10
A chemist adds 305.0mL of a 0.32/molL copper(II) sulfate CuSO4solution to a reaction flask. Calculate the...
A chemist adds 305.0mL of a 0.32/molL copper(II) sulfate CuSO4solution to a reaction flask. Calculate the mass in grams of copper(II) sulfate the chemist has added to the flask. Round your answer to 2 significant digits.
Post-lab Questions 1. Calculate the molar mass of H2O and CuSO4 (Relative atomic masses). Express your...
Post-lab Questions 1. Calculate the molar mass of H2O and CuSO4 (Relative atomic masses). Express your answers in grams per mole to the nearest hundredth (+ 0.01 g/mol). Show your work. 2. Calculate the mass of water driven off and the mass of copper (II) sulfate formed in your experiment. Express your answers in grams to the nearest hundredth (+ 0.01 a). Show your work 3. Calculate the number of moles of copper (II) sulfate present. Express your answer in...
A 15.0 g sample of hydrated copper sulfate was heated to dryness and the new mass...
A 15.0 g sample of hydrated copper sulfate was heated to dryness and the new mass measured to be 9.59 g. Calculate the percentage of water in the hydrated crystal with the correct number of significant figures. A) 63% B) 63.3% C) 36.1% D) 45% E) 36%
What is the mass, in grams, of 1.50 mol of iron (III) sulfate? Express your answer using three significant figures. How many moles of ammonium ions are in 6.935 g of ammonium carbonate? Express your answer using four significant figures. What is the mass, in grams, of 1.40 times 10^21 molecules of aspirin, C_9H_8O_4? Express your answer using three significant figures.
Type your answer in the box. Determine the molarity for the solution that results from tranferring 3.00 ml of 0.750 M solution of copper(II) sulfate and diluting to 10.0 ml. Report your answer to the correct number of significant figures. Do not use scientific notation. Do you know the answer? I know it Think so Unsure No idea
Be sure to answer all parts. Be sure to report your answer to the correct number of significant figures. Calculate AG and Kp for the following processes at 25°C: (a) H2(g) + Br2(1) 211B10 0 AG- k.I/mol x 10 (Enter your answer in scientific notation.) (b) , H2(g) + , Br2() HBr(g) 0 AG k.J/mol Кр Enter your answer in scientific notation.) × 10
Post-lab Questions 1. Calculate the molar mass of H2O and CuSO4 (Relative atomic masses). Express your answers in grams per mole to the nearest hundredth (+ 0.01 g/mol). Show your work. 2. Calculate the mass of water driven off and the mass of copper (II) sulfate formed in your experiment. Express your answers in grams to the nearest hundredth (+ 0.01 a). Show your work 3. Calculate the number of moles of copper (II) sulfate present. Express your answer in...
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