When 25.60 mL of aqueous NaOH were added to 1.011 g of MOPSO (FM 225.26, structure...
When 25.60 mL of aqueous NaOH were added to 1.011 g of MOPSO (FM 225.26, structure in Table 8-2) dissolved in 35.00 mL of water, the pH was 6.77. Calculate the molarity of NaOH (3 sig. figs.).
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When 25.60 mL of aqueous NaOH were added to 1.011 g of MOPSO (FM
225.26, structure...
.65 mL of .24M NaOH are added to 21.6 mL of buffer calculate pH of buffer...
.65 mL of .24M NaOH are added to 21.6 mL of buffer calculate pH of buffer prior to base addition, after and pH change. what if instead of buffer it is 21.6 mL of distilled water. ph before, after and the change. 3 sig figs. buffer was made from .196M HCHOO .271M NaCHOO. with a given ph of 4.4
Calculate how many milliliters (3 sig. figs.) of 0.500 M NaOH sould be added to 2.00...
Calculate how many milliliters (3 sig. figs.) of 0.500 M NaOH sould be added to 2.00 g of MOPSO (Table 8-2) to give a pH of 7.10.
1. Calculate the concentration of an aqueous soution of NaOH that has a pH of 12.09...
1. Calculate the concentration of an aqueous soution of NaOH that has a pH of 12.09 express answer using 2 sig figs 2. Calculate the concentration of an aqueous solution of Ca(OH)2 that has a pH of 12.91 express answer using 2 sig figs. 3. Calculate the concentration of an aqueous solution of Ca(OH)2 that has a pH of 12.39 express answer using 2 sig figs
Suppose 7.27g sodium chloride is dissolved in of 100 mL aqueous solution of 0.50 M ammonium...
Suppose 7.27g sodium chloride is dissolved in of 100 mL aqueous solution of 0.50 M ammonium sulfate. Calculate the final molarity of sodium cation in the solution. You can assume the volume of the solution doesn't change when the sodium chloride is dissolved in it. Round to 3 sig figs
4.07 mL of an aqueous 0.466 M solution and 4.970 mL of water is added to...
4.07 mL of an aqueous 0.466 M solution and 4.970 mL of water is added to a graduated cylinder. What is the concentration of the resulting solution? Enter your answer with at least 3 sig figs. Don't use scientific notation.
What is the density of 45.0 wt% aqueous NaOH (FM 40.00) if 17.0 mL of the...
What is the density of 45.0 wt% aqueous NaOH (FM 40.00) if 17.0 mL of the solution diluted to 1.78 L give 0.159 M NaOH? g/mL
Part 1: Buffers Considering the acetic acid sodium acetate buffer, complete the table below NaOH added/mL....
Part 1: Buffers Considering the acetic acid sodium acetate buffer, complete the table below NaOH added/mL. measured pH 0.0 20 Did the pH change a little or a lot when NaOH was added to the butter? Was the change you observed consistent with the action of a butter? For the ammonium chloride-ammonia buffer give the measured pH for the 50.0 mL of 0.10 Mammonia. Is this solution acidic, neutral, or basic? Did the pH of the ammonia increase or decrease...
Consider 15 mL of an aqueous solution containing 2.0 g of an organic solute.If the distribution...
Consider 15 mL of an aqueous solution containing 2.0 g of an organic solute.If the distribution coefficient for the solute between ether and water is 20, calculate the percent of the compound that can be recovered with a single extraction with 26.8 mL of ether. (2 sig figs)
When 38.5 g of NaOH dissolved in water to form 772.9 mL of solution, what is...
When 38.5 g of NaOH dissolved in water to form 772.9 mL of solution, what is the molarity of the solution? Enter only the numeric value for your answer
An aqueous solution containing 1.00 g of oxobutanedioc acid (FM 132.07) per 100 mL was titrated...
An aqueous solution containing 1.00 g of oxobutanedioc acid (FM 132.07) per 100 mL was titrated with 0.09432 M NaOH. Calculate the pH at th following volumes of added base: 0.5Ve1, Ve1, 1.5Ve2, Ve2, 1.05Ve2 Sketch the titration curve, using the values calculated above. Which equivalence point would be best to use in this titration (which one is not blurred)? Ka1 = 2.56 Ka2 = 4.37 Ve1 = equivalence point 1 Ve2 = equivalence point 2 The correct answers for...
What is the density of 45.0 wt% aqueous NaOH (FM 40.00) if 17.0 mL of the solution diluted to 1.78 L give 0.159 M NaOH? g/mL
Part 1: Buffers Considering the acetic acid sodium acetate buffer, complete the table below NaOH added/mL. measured pH 0.0 20 Did the pH change a little or a lot when NaOH was added to the butter? Was the change you observed consistent with the action of a butter? For the ammonium chloride-ammonia buffer give the measured pH for the 50.0 mL of 0.10 Mammonia. Is this solution acidic, neutral, or basic? Did the pH of the ammonia increase or decrease...
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