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I converted vol in mL to L so divided with 1000.
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QUESTION 4 1 points Save Answ A 50.0 mL...
A 50.0 mL sample of 0.436 M NH_4NO_3 is diluted with water to a total volume...
A 50.0 mL sample of 0.436 M NH_4NO_3 is diluted with water to a total volume of 250.6 mL. What is the ammonium nitrate concentration in the resulting solution? 8.72 times 10^-2 M 21.8 M 0.459 M 0.109 M 2.18 times 10^-2 M If 24.95 mL of a 0.1025M HCL solution is added to reach the endpoint of a titration, how many moles of HCl have been added?
Scotre e1047 ENis oxidized and O is reduced 6. jdentify the reducing agent in the following...
Scotre e1047 ENis oxidized and O is reduced 6. jdentify the reducing agent in the following chemical reaction. Cd + Nio, 2H,ocd(OH ), + Ni(OH) OIN C HO D. Cajон): ЧноN 3 7. What element is reduced in the following chemical reaction? ed O'HZ+OS +'OSn 0s'HZ+ no на O'H 8. What mass of CaHOs (glucose) is needed to prepare 450. mL of a 0.650 M solution of glucose in water? A. 0.293 g B. 293 g C. 0.692 g D....
6. A 50.0 mL sample of 0.528 M NHaNO, is diluted with water to a total...
6. A 50.0 mL sample of 0.528 M NHaNO, is diluted with water to a total volume of 250.0 mL What is the ammonium nitrate concentration in the resulting solution? 7. 75.0 ml. of a 0.250M NaCI solution is added to 35.8 ml. of 0.1150M NaCOs. What is the concentration of sodium ion in the final solution? 8, 34.62 mL. of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What is the concentration of the...
Write down the correct, ionic, net ionic equation for the reaction that occurs when solutions of...
Write down the correct, ionic, net ionic equation for the reaction that occurs when solutions of Pb(NO_3)_2 and NH_4Cl are mixed like a given chemical reaction. Also, name the spectator's ions. Ionic Equation: Net Ionic Equation: Spectator's Ion: A 50.0 ml sample of 0.436 M NH_4NO_3 is diluted with water to a total volume of 250 0 mL What is the ammonium nitrate concentration in the resulting solution?
A 5.9957 g sample of Na, CrO, (MW = 161.97 g/mol) is dissolved in 1000.0 mL...
A 5.9957 g sample of Na, CrO, (MW = 161.97 g/mol) is dissolved in 1000.0 mL of water. Assume the solution has a density of 1.00 g/mL What is the concentration of Na* (MW = 22.9898 g/mol) in the solution in units of molarity (M)? concentration: М What is the concentration of Na+ in the solution in units of parts per thousand (ppt)? concentration: ppt A 50.0 mL aliquot of the solution is then diluted to a final volume of...
erksheet 7-Rey 10 A 10.0 mL sample of sodium chioride solution that has a mass of...
erksheet 7-Rey 10 A 10.0 mL sample of sodium chioride solution that has a mass of 16.78 g is placed in an Solutions evaporating dish and evaporated to dryness. The residue has a mass of 6.55 g. Calculate the following concentrations for the NaCl solution mass/mass (m/m) percent mass/volume (m/v) percent malarity A 4.00 % (g/mL) KI solution has a volume of 65.0 mL. How many grams of KI are in the sample? How many grams of a 35% (...
i need help with 1-6 Carlos Chapter 9 Practice Problems t. A solution is made by dissolving 50.0 grams of HCI in enough water to give 2500 ml. of selutien. a) What is the molarity of the solution?...
i need help with 1-6
Carlos Chapter 9 Practice Problems t. A solution is made by dissolving 50.0 grams of HCI in enough water to give 2500 ml. of selutien. a) What is the molarity of the solution? b) what is the % concentration (w/v) of the solution? 2. How many grams of a protein are there in 275 mL of a 0.00%(wmor a protein soluton? 3. How many grams of NaoH are there in 855 mL of a 350...
Question 4 (2 points) A working standard 1 is prepared by taking 24.00 mL of a...
Question 4 (2 points) A working standard 1 is prepared by taking 24.00 mL of a 500.0 ppm stock solution and diluting it to a final volume of 360.0 mL. Working standard 2 is prepared by taking 3.00 mL of working standard 1 and diluting it to a final volume of 250.0 mL. Calculate the ppm concentration of the working standard 2. Provide your answer to three places after the decimal and without units. Your Answer: Answer Question 5 (2...
1. How many grams of zinc chloride are needed to make 245 mL of a 0.769...
1. How many grams of zinc chloride are needed to make 245 mL of a 0.769 M solution? 2. Calculate the concentration of the ions present in a 3.0 M sodium phosphate solution. in coolad hon 20 3. Calculate the concentration of a solution prepared by dissolving 35.0 g of aluminum carbonate in enough water to prepare 500.0 mL of solution. 4. The A student diluted 45.7 mL of a 3.78 M aluminum carbonate solution to a final volume of...
If the solubility of sodium chloride (NaCl) is 30.6 g/100 mL of H2O at a given...
If the solubility of sodium chloride (NaCl) is 30.6 g/100 mL of H2O at a given temperature, how many grams of NaCl can be dissolved in 250.0 mL of H2O? If the solubility of glucose (C6H12O6) is 120.3 g/100 mL of H2O at a given temperature, how many grams of C6H12O6 can be dissolved in 75.0 mL of H2O? Only 0.203 mL of C6H6 will dissolve in 100.000 mL of H2O. Assuming that the volumes are additive, find the volume/volume...
A 50.0 mL sample of 0.436 M NH_4NO_3 is diluted with water to a total volume of 250.6 mL. What is the ammonium nitrate concentration in the resulting solution? 8.72 times 10^-2 M 21.8 M 0.459 M 0.109 M 2.18 times 10^-2 M If 24.95 mL of a 0.1025M HCL solution is added to reach the endpoint of a titration, how many moles of HCl have been added?
Scotre e1047 ENis oxidized and O is reduced 6. jdentify the reducing agent in the following chemical reaction. Cd + Nio, 2H,ocd(OH ), + Ni(OH) OIN C HO D. Cajон): ЧноN 3 7. What element is reduced in the following chemical reaction? ed O'HZ+OS +'OSn 0s'HZ+ no на O'H 8. What mass of CaHOs (glucose) is needed to prepare 450. mL of a 0.650 M solution of glucose in water? A. 0.293 g B. 293 g C. 0.692 g D....
6. A 50.0 mL sample of 0.528 M NHaNO, is diluted with water to a total volume of 250.0 mL What is the ammonium nitrate concentration in the resulting solution? 7. 75.0 ml. of a 0.250M NaCI solution is added to 35.8 ml. of 0.1150M NaCOs. What is the concentration of sodium ion in the final solution? 8, 34.62 mL. of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What is the concentration of the...
Write down the correct, ionic, net ionic equation for the reaction that occurs when solutions of Pb(NO_3)_2 and NH_4Cl are mixed like a given chemical reaction. Also, name the spectator's ions. Ionic Equation: Net Ionic Equation: Spectator's Ion: A 50.0 ml sample of 0.436 M NH_4NO_3 is diluted with water to a total volume of 250 0 mL What is the ammonium nitrate concentration in the resulting solution?
A 5.9957 g sample of Na, CrO, (MW = 161.97 g/mol) is dissolved in 1000.0 mL of water. Assume the solution has a density of 1.00 g/mL What is the concentration of Na* (MW = 22.9898 g/mol) in the solution in units of molarity (M)? concentration: М What is the concentration of Na+ in the solution in units of parts per thousand (ppt)? concentration: ppt A 50.0 mL aliquot of the solution is then diluted to a final volume of...
erksheet 7-Rey 10 A 10.0 mL sample of sodium chioride solution that has a mass of 16.78 g is placed in an Solutions evaporating dish and evaporated to dryness. The residue has a mass of 6.55 g. Calculate the following concentrations for the NaCl solution mass/mass (m/m) percent mass/volume (m/v) percent malarity A 4.00 % (g/mL) KI solution has a volume of 65.0 mL. How many grams of KI are in the sample? How many grams of a 35% (...
i need help with 1-6
Carlos Chapter 9 Practice Problems t. A solution is made by dissolving 50.0 grams of HCI in enough water to give 2500 ml. of selutien. a) What is the molarity of the solution? b) what is the % concentration (w/v) of the solution? 2. How many grams of a protein are there in 275 mL of a 0.00%(wmor a protein soluton? 3. How many grams of NaoH are there in 855 mL of a 350...
Question 4 (2 points) A working standard 1 is prepared by taking 24.00 mL of a 500.0 ppm stock solution and diluting it to a final volume of 360.0 mL. Working standard 2 is prepared by taking 3.00 mL of working standard 1 and diluting it to a final volume of 250.0 mL. Calculate the ppm concentration of the working standard 2. Provide your answer to three places after the decimal and without units. Your Answer: Answer Question 5 (2...
1. How many grams of zinc chloride are needed to make 245 mL of a 0.769 M solution? 2. Calculate the concentration of the ions present in a 3.0 M sodium phosphate solution. in coolad hon 20 3. Calculate the concentration of a solution prepared by dissolving 35.0 g of aluminum carbonate in enough water to prepare 500.0 mL of solution. 4. The A student diluted 45.7 mL of a 3.78 M aluminum carbonate solution to a final volume of...
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