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Could you show how to go through problems 28-32 step by step and
finally the answer...
please answer 1-5 and show and explain steps clearly, thank you :) 1. How many milliliters...
please answer 1-5 and show and explain steps clearly, thank you
:)
1. How many milliliters of 13.2 MH.SO, are needed to prepare 600.0 mL of 0.10 M H SOC? (4.5 mL) 2. 1.60 L of an aqueous solution containing 25.00 g of KCl dissolved in pure water is prepared. What is the molarity of the resulting solution? (0.210 M) 3. A solution containing 292 g of Mg(NO3)2 per liter has a density of 1.108 g/mL. What is the molality...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof a 3.5 M solution? Vi=MzV2 - 3.5x450 175ml A) O. 18 ml B) 1.2 ml C) 180 ml D) 1200 ml 29) A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0...
Solution, dilution, concentration problems: Please answer 1-5 and show all work 1. How many grams of...
Solution, dilution, concentration problems: Please answer 1-5 and show all work 1. How many grams of MgCl2 are required to prepare 200 ml of a 0.35 M solution (MW of MgCl2 = 95.2)? 2. Express the concentration of the solution in problem #1 in terms of g/liter. 3. Express the concentration of the solution in problem #1 in terms of %w/v. 4. A solution contains 160.0 g of ferrous ammonium sulfate (MW = 392.1) in 500 ml of solution. What...
If you could help answer the blanks and check what I have using the graph and info sheet that would be great...
If you could help answer the blanks and check what I have using the
graph and info sheet that would be great.
Questions: 1. Write the chemical reaction that occurs during the titration. NaOH + HCL NaCl + H₂O 2. Locate in the experiment the definition of equivalence point. Write it here. 3. Read the Plotting the Results section in the experiment and locate the equivalence point on the curve you've drawn using the method described. Mark it on your...
USE SOLVER IN EXCEL TO ANSWER PROBLEM. Show step by step how you got your answer...
USE SOLVER IN EXCEL TO ANSWER PROBLEM. Show step by step how
you got your answer
SOLVER | 387 18-2. Seven new projects are being proposed for our division. Each would require investments over the next three years, but each ultimately would result in a positive return on our investment Project A B с D E F G Expenditures in $ Millions Year 1 Year 2 Year 3 5 8 4 7 9 3 8 4 3 9 2 7...
15. The mixing of which pair of reactants will result in a precipitation reaction? CsI(aq)...
15. The mixing of which pair of reactants will result in a precipitation reaction? CsI(aq) + NaOH(aq) HCl(aq) + Ca(OH)2(aq) K2SO4(aq) + Hg2(NO3)2(aq) NaNO3(aq) + NH4Cl(aq) 16. Which of the following is a precipitation reaction? Zn(s) + 2 AgNO3(aq) 2 Ag(s) + Zn(NO3)2(aq) NaCl(aq) + LiI(aq) NaI(aq) + LiCl(aq) 2 KI(aq) + Hg2(NO3)2(aq) Hg2I2(s) + 2 KNO3(aq) HI(aq) + NaOH(aq) NaI(aq) + H2O(l) None of these are precipitation reactions. 17. Which...
This is my 3rd time posting .. Please show step by ste how the answer is...
This is my 3rd time posting .. Please show step by ste how the
answer is solved as in show what was clicked in SOLVER and which
cells were selected .
USE SOLVER IN EXCEL TO ANSWER PROBLEM. Show step by step how you got your answer SOLVER | 387 18-2. Seven new projects are being proposed for our division. Each would require investments over the next three years, but each ultimately would result in a positive return on our...
Question 22 (2.5 points) How many grams of glucose (C6H1206) are in 3.55 moles of glucose?...
Question 22 (2.5 points) How many grams of glucose (C6H1206) are in 3.55 moles of glucose? A) 180. g B) 639 g C) 103 g D) 426 g E) 50.7 g А с ОЕ B D Question 23 (2.5 points) How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg in the following reaction? 2Mg (s) + O2(g) → 2MgO(s) A) 30.4 g B) 50.4 g C) 60.8 g D) 101 g E) 201...
if you can't answer all ,please don't answer 1) of the reactions below, which one is...
if you can't answer all ,please don't answer
1) of the reactions below, which one is a decomposition reaction? A) Ca(NO3)2 + Na2S -- CdS +2NaNO3 B) NH4Cl- NH3 + HCI C) 2Mg + 02 - 2MgO D) 2N2 + 3H2 → 2NH3 E) 2CH4 + 402 - 2002 + 4H20 miches of - x 1? 2 2) Calculate the percentage by mass of ammonia in cisplatin, PtCl2/NH3 12. A) 12.53 B) 5.68 C) 18.09 D) 11.35 E) 4.67 3)...
25. You’re at the zoo and have a big red 3.20 L helium balloon. The barometric...
25. You’re at the zoo and have a big red 3.20 L helium balloon. The barometric pressure is 790.0 mm Hg. Then you hear the roar of a lion. Startled, you accidently release the balloon. It flies away. By the time it reaches the clouds the atmospheric pressure is only 0.300 atm. What is the new volume of the balloon? a) 6.20 L b) 11.1 L c) 1.06 L d) 8.43 L 26. A gas sample is held at constant...
please answer 1-5 and show and explain steps clearly, thank you
:)
1. How many milliliters of 13.2 MH.SO, are needed to prepare 600.0 mL of 0.10 M H SOC? (4.5 mL) 2. 1.60 L of an aqueous solution containing 25.00 g of KCl dissolved in pure water is prepared. What is the molarity of the resulting solution? (0.210 M) 3. A solution containing 292 g of Mg(NO3)2 per liter has a density of 1.108 g/mL. What is the molality...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof a 3.5 M solution? Vi=MzV2 - 3.5x450 175ml A) O. 18 ml B) 1.2 ml C) 180 ml D) 1200 ml 29) A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0...
If you could help answer the blanks and check what I have using the
graph and info sheet that would be great.
Questions: 1. Write the chemical reaction that occurs during the titration. NaOH + HCL NaCl + H₂O 2. Locate in the experiment the definition of equivalence point. Write it here. 3. Read the Plotting the Results section in the experiment and locate the equivalence point on the curve you've drawn using the method described. Mark it on your...
USE SOLVER IN EXCEL TO ANSWER PROBLEM. Show step by step how
you got your answer
SOLVER | 387 18-2. Seven new projects are being proposed for our division. Each would require investments over the next three years, but each ultimately would result in a positive return on our investment Project A B с D E F G Expenditures in $ Millions Year 1 Year 2 Year 3 5 8 4 7 9 3 8 4 3 9 2 7...
This is my 3rd time posting .. Please show step by ste how the
answer is solved as in show what was clicked in SOLVER and which
cells were selected .
USE SOLVER IN EXCEL TO ANSWER PROBLEM. Show step by step how you got your answer SOLVER | 387 18-2. Seven new projects are being proposed for our division. Each would require investments over the next three years, but each ultimately would result in a positive return on our...
Question 22 (2.5 points) How many grams of glucose (C6H1206) are in 3.55 moles of glucose? A) 180. g B) 639 g C) 103 g D) 426 g E) 50.7 g А с ОЕ B D Question 23 (2.5 points) How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg in the following reaction? 2Mg (s) + O2(g) → 2MgO(s) A) 30.4 g B) 50.4 g C) 60.8 g D) 101 g E) 201...
if you can't answer all ,please don't answer
1) of the reactions below, which one is a decomposition reaction? A) Ca(NO3)2 + Na2S -- CdS +2NaNO3 B) NH4Cl- NH3 + HCI C) 2Mg + 02 - 2MgO D) 2N2 + 3H2 → 2NH3 E) 2CH4 + 402 - 2002 + 4H20 miches of - x 1? 2 2) Calculate the percentage by mass of ammonia in cisplatin, PtCl2/NH3 12. A) 12.53 B) 5.68 C) 18.09 D) 11.35 E) 4.67 3)...
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