Chemistry
Chemistry, 30.04.2021 18:50, nellydeb7736

An analytical chemist is titrating 222.7 mL of 0.8100 M solution of formic acid (H2 CO2 ) with a 1.100 M of KOH. The pKa of formic acid is 3.74. Calculate the ph of the acid solution after the chemist has added 83.93 mL of the KOH solution to it.

answer
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 16:00, krojas015
1. an experiment in your science class lists the materials needed for the lab. it is your job, as a lab partner, to measure out 25 ml of distilled water and 2.5 grams of magnesium. what lab measuring tools would you choose to measure each substance and how would you use each tool to get the correct amounts? be sure to describe the process you would follow step-by-step. (5 points) 2.which of the following is an si base unit for measuring mass? (2 points) ampere gram meter pound 3.which of the following is an si base unit for time? (2 points) decades hours minutes seconds 4.which of the following tools should a scientist use to measure an object in milligrams? (2 points) graduated cylinder pan balance tape measure thermometer 4.which of the following tools should a scientist use to measure an object in milligrams? (2 points) graduated cylinder pan balance tape measure thermometer. 5.a pencil beside a metric ruler. the ruler is scaled from 1 centimeter to 10 centimeters, with markings for millimeters between each number. one end of the pencil is beside the 0 on the ruler, and the pencil point is beside the 5. which of the following measurements is accurate but not precise? (2 points) 5 mm 5 cm 50 mm 50 cm 6. which of the following prefixes represents the largest value? (2 points) giga hector kilo milli 7. which of the following types of graphs is best for plotting the percentages of a whole value in a data set? (2 points) bar graph circle graph histogram line graph
Answers: 1
image
Chemistry, 22.06.2019 20:40, larkinc2946
What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
Answers: 1
image
Chemistry, 23.06.2019 01:20, cedricevans41p4j3kx
Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 Ă— 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)
Answers: 1
image
Chemistry, 23.06.2019 06:00, asalimanoucha2v
•what conclusions can you make about the relationship between the volume of a gas and its temperature? • what conclusions can you make about the relationship between the volume of a gas and its pressure? • what possible variables have you not accounted for? as you did the procedures, is it possible that the atmospheric pressure may have changed? if it did change over the course of your experiment, then how would your results have been affected?
Answers: 3
Do you know the correct answer?
An analytical chemist is titrating 222.7 mL of 0.8100 M solution of formic acid (H2 CO2 ) with a 1.1...

Questions in other subjects:

Konu
Mathematics, 18.09.2019 07:10
Konu
Mathematics, 18.09.2019 07:10