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Please show the working out for #25, 28 and 29
25) Calculate the volume (in L)...
help with 27-29 please UI LABI 2 4oom 2.2504 405 m2 27) If 850 mL of 1.36 M NH.Cl is diluted to 4.50 L, the concentr...
help with 27-29 please
UI LABI 2 4oom 2.2504 405 m2 27) If 850 mL of 1.36 M NH.Cl is diluted to 4.50 L, the concentration of the resulting solution is A) 0.0356 M B) 0.200 M C) 4.00 M D) 40.0 M E) 0.257 M 28) To prepare 25 mL of 0.25 M MgCl, solution from a 0.75 M MgCl, stock solution, you shoul A) 10 mL of stock solution mixed with enough water to make 25 ml B)...
26) If 250 mL of 4,00 M CaBr, is diluted to 1.60 L. the resulting solution...
26) If 250 mL of 4,00 M CaBr, is diluted to 1.60 L. the resulting solution contains A) 0.400 mole of CaBr B) 1,00 mole of CaBr C) 2.40 moles of CaBr D) 100 mole of CaBr E) 0.0500 moles of CaBr 27) If 850 mlL of 1.36 M NH CI is diluted to 4.50 L, the concentration of the resulting solution is A) 0.0356 M B) 0.200 M C) 4.00 M D) 40.0 M E) 0.257 M 28) To...
13.9 Molarity and chemical reactions in aqueous solution Volume of solution A Volume of solution B...
13.9 Molarity and chemical reactions in aqueous solution Volume of solution A Volume of solution B Molarity Molarity Particles Particles of A Avogadro's number Moles of A Equation coefficients Formula subscripts Moles of B Avogadro's number of B Molar mass Molar mass Grams of A Grams of B 2011 Pearson Education, Inc Percent by mass (g solute/g solution) Take 100 g solution Mass of solution Mass of solute Density Molar mass Volume of solution Moles of solute Division Molarity (moles...
help with 23 and 25 2.68mol 10331 32 bom 23) How many grams of H3PO, are...
help with 23 and 25
2.68mol 10331 32 bom 23) How many grams of H3PO, are needed to make 175 ml of a 0.175 M H.PO, solution? A) 0.786 g B) 0.312 g C) 5.02 g D) 3.00 g 576 mol x20229 56.105@gimola E) 0.987 g 24) What mass of KOH is needed to produce 22.0 mL of 0.576 M solution? A) 0.423 g B) 1.39 g C) 0.0126 g D) 0.711 g 71096 E) 2.64 g 25) Calculate the...
How would you prepare 2 L of 1 MMgCl2 from a 4 MMgCl2 stock solution? Add...
How would you prepare 2 L of 1 MMgCl2 from a 4 MMgCl2 stock solution? Add 500 mL of the 4 M MgCl2 stock solution to enough distilled water for a total volume of 2 L of solution. Add 2000 mL of the 4 M MgCl2 stock solution to enough distilled water for a total volume of 2 L of solution. Add 250 mL of the 4 M MgCl2 stock solution to enough distilled water for a total volume of...
Consider the neutralization reaction 2HNO3(aq)+Ba(OH)2(aq)⟶2H2O(l)+Ba(NO3)2(aq) A 0.115 L sample of an unknown HNO3 solution required 36.1...
Consider the neutralization reaction 2HNO3(aq)+Ba(OH)2(aq)⟶2H2O(l)+Ba(NO3)2(aq) A 0.115 L sample of an unknown HNO3 solution required 36.1 mL of 0.150 M Ba(OH)2 for complete neutralization. What is the concentration of the HNO3 solution?
Solution Worksheet Name 1.12.5 g of NaCl is dissolved in enough water to make 0,683 L...
Solution Worksheet Name 1.12.5 g of NaCl is dissolved in enough water to make 0,683 L of solution: a. What is the molarity of the solution? b. How many moles of Nail are contained in 0.0100 L of the above solution? What volume (L) of this NaCl solution would contain 0.150 moles of NaCl? 2. 255 g of NHCl is dissolved in enough water to make 7500 ml of solution What is the molarity of the solution b. How many...
29,31,32 please 29) A student prepared a stock solution by dissolving 15.0 g of KOH in...
29,31,32 please
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 mL of a final solution. What is the concentration of KOH for the final solution? A) O. 411 M B) 0.534 M C) 1.87 M D) 2.43 M 30) The mixing of which pair of...
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...
4. What volume (in L) of 0.586 M Ba(OH)2 (aq) contams V.* of Ba(OH)2 dissolved in...
4. What volume (in L) of 0.586 M Ba(OH)2 (aq) contams V.* of Ba(OH)2 dissolved in it? 5. If 16.0 mL of water are added to 31.5 mL of 0.586 M Ba(OH)2 (aq), what is the new solution molarity?
help with 27-29 please
UI LABI 2 4oom 2.2504 405 m2 27) If 850 mL of 1.36 M NH.Cl is diluted to 4.50 L, the concentration of the resulting solution is A) 0.0356 M B) 0.200 M C) 4.00 M D) 40.0 M E) 0.257 M 28) To prepare 25 mL of 0.25 M MgCl, solution from a 0.75 M MgCl, stock solution, you shoul A) 10 mL of stock solution mixed with enough water to make 25 ml B)...
26) If 250 mL of 4,00 M CaBr, is diluted to 1.60 L. the resulting solution contains A) 0.400 mole of CaBr B) 1,00 mole of CaBr C) 2.40 moles of CaBr D) 100 mole of CaBr E) 0.0500 moles of CaBr 27) If 850 mlL of 1.36 M NH CI is diluted to 4.50 L, the concentration of the resulting solution is A) 0.0356 M B) 0.200 M C) 4.00 M D) 40.0 M E) 0.257 M 28) To...
13.9 Molarity and chemical reactions in aqueous solution Volume of solution A Volume of solution B Molarity Molarity Particles Particles of A Avogadro's number Moles of A Equation coefficients Formula subscripts Moles of B Avogadro's number of B Molar mass Molar mass Grams of A Grams of B 2011 Pearson Education, Inc Percent by mass (g solute/g solution) Take 100 g solution Mass of solution Mass of solute Density Molar mass Volume of solution Moles of solute Division Molarity (moles...
help with 23 and 25
2.68mol 10331 32 bom 23) How many grams of H3PO, are needed to make 175 ml of a 0.175 M H.PO, solution? A) 0.786 g B) 0.312 g C) 5.02 g D) 3.00 g 576 mol x20229 56.105@gimola E) 0.987 g 24) What mass of KOH is needed to produce 22.0 mL of 0.576 M solution? A) 0.423 g B) 1.39 g C) 0.0126 g D) 0.711 g 71096 E) 2.64 g 25) Calculate the...
Solution Worksheet Name 1.12.5 g of NaCl is dissolved in enough water to make 0,683 L of solution: a. What is the molarity of the solution? b. How many moles of Nail are contained in 0.0100 L of the above solution? What volume (L) of this NaCl solution would contain 0.150 moles of NaCl? 2. 255 g of NHCl is dissolved in enough water to make 7500 ml of solution What is the molarity of the solution b. How many...
29,31,32 please
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 mL of a final solution. What is the concentration of KOH for the final solution? A) O. 411 M B) 0.534 M C) 1.87 M D) 2.43 M 30) The mixing of which pair of...
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...
4. What volume (in L) of 0.586 M Ba(OH)2 (aq) contams V.* of Ba(OH)2 dissolved in it? 5. If 16.0 mL of water are added to 31.5 mL of 0.586 M Ba(OH)2 (aq), what is the new solution molarity?
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