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Question 31 2 pts What is the molarity of a solution containing 16.7 grams of HCl...
need help with 31 and 32 What is the molarity of a solution containing 16.7 grams of NH3 in 1500.mL of solution? O 0.653 M 0 0.0111M O 0.000653 M O 11.1M Question 32 Given: HSO31- + HSO41- = H2SO3 +5042 In the reverse reaction, H2SO3 is acting as a Bronsted base In the forward reaction, HSO4 is acting as a Bronsted acid In the reverse reaction, SO42-is acting as a Bronsted acid In the forward reaction, HSO31 is acting...
16.7 grams of NH, in 1.50 liters of solution? (molar mass of 16. What is the molarity of tin taining NH, = 17.03 g/mole) a. 0.0654 M b .0.654 M c . 1.53 M d. 11.1 M 17. What volume, in milliliters, of 4.0 M NaOH is needed to prepare 145 mL of 0.15 NaOH is needed to prepare 145 mL of 0.15 M NaOH by dilution? a. 3.9 x 10 mLb. 5.4 mL c. 2.6 x 10 mL d....
Question 6 1 pts What is the molarity of a solution made by adding 2.213 grams of KHP (MM=204.2 g/mol) to 50 mLs of water? Question 5 2 pts Look again at the simulation page. Notice how we know the exact concentration (in M) of KHP but we don't know the exact concentration of NaOH and instead only have a general number (about 1M NaOH). Using your answers to the questions above and the fact that moles of acid =...
Canvas 1 pts Question 32 What is the molarity of the diluted solution? 50.0 ml. of a 1.20-M solution of C,H,OH is diluted to a final volume of 96.0ml. O 5.11M O 0.0489 M O 0.625 M O 0.305 M 1 pts Question 33 A cough syrup contains 5.0% ethyl alcohol, (CH.OH, (MM46.07g/mol), by mass. If a 250ml, bottle contains 12.4g of ethanol, what is the molarity of the alcohol in the cough syrup. 0.109M O 10.1M O 1.08M MacBook...
3 pts Question 10 What is the molarity of a sodium chloride solution when 10.0 mol of NaCl are dissolved in 5.00 x 102mL of water? (Assume the solution volume equals the volume of water.) 20.0M 0.0200M 0.200M 2.00 M
Question 18 8 pts What is the molarity of a solution that contains 28.4 grams of CuBr2 dissolved in a total volume of 255 mL of solution? (Show all your work!!!!!) 12pt Paragraph Β Ι Ο Α 2 Tv р 0 O words Question 19 6 pts If you start with 45.3 g CO2, how many molecules of CO2 do you have? (Show all your work!!!!!!!!!!!) 12pt Paragraph Β Ι Ο Α & Tv р O words
Question 19 2 pts What is the molarity of an acetic acid solution if 25.00 ml of HC2H30, is required to neutralize 0.424 g of sodium carbonate (105.99 g/mol)? 2 HC2H2O2(aq) + Na2CO3(s) — 2 NaC2H302 (aq) + H2O() + CO2(g) D 0.320 M O 0.100 M 0.160M O 0.0800 M O 0.200 M
2 pts D Question 17 What is the molarity of a solution that is made by dissolving 3.68g of sucrose(C12H22011) in suffiecient water to form 275,0 mL of solution? 3.91e-5M 7.43e-2M 13.4M 3.91e-2M Question 18 2 pts What volume of 1.00 M stock solution of glucose must be used to make 500.00 mL of a 1.75 x102 M glucose solution in water? 8.75 ml 1.75ml 48.6 mL 57.1 mL
3 pts Question 13 What is the molarity of an aqueous solution of hydrochloric acid if 50.00 mL of 5.00 M HCl(aq) is diluted to a new volume of 100.0 mL? 5.00M 100M 2.50M 1.25M 3 pts Question 14 How many moles of sulfuric acid are in 300.0 mL of 2.00 M H2SO4(aq) 300 mol 0.300 ml 500 ml 0.600 mol
Question 4 2 pts What is the molarity of the OH in a solution obtained by mixing 125 mL 2.35 M Ca(OH)2 and 355 mL 5.52 M Ba(OH)2 5.31M 2.65 M 10.62 1.33