If you prepare it as a buffer solution to control the pH, is possible to prevent the precipitation of Aluminum Hydroxide from a 0.00452 M Aluminum nitrate solution. Which of the following buffers solutions would not result in the precipitation of Aluminum Hydroxide from this solution
Ksp for Al(OH)3 3.0 x 10-34
Weak Acid Ka
CH3COOH (acetic acid) 1.8 X 10-5
C6H5COOH (benzoic acid) 6.5 x 10-5
C6H5OH (phenol) 1.3 X 10-10
HNO2 (nitrous acid) 4.5 X 10-4
a. 10.0 M CH3COOH with 1.0 M CH3COONa
b. 1.0 M HNO2 with 4.0 M NaNO2
c. 1.0 M HNO2 with 1.0 M NaNO2
d. 1.0 M C6H5COOH (benzoic acid) with 0.25 C6H5COONa
e. 1.0 M CH3CoOH with 1.0 M CH3COONa
f. 2.0 M C6HsOH with 1.32 M KC6HsO
g. 1.0 M C6HsOH with 1.0 M KC6HsC0

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

How have the greenhouse gasses increased from the year 2000 to 2018

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