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Suggest practical solutions on how any Six of the risky behaviours which have been mentioned can be addressed
4 answers
asked by
Andrew
405 views
Suppose you had 5 gallons of sodium hydroxide solution which had a concentration of two pounds of soduium hydroxide per gallon.
3 answers
asked by
Kisha
752 views
I only need y'all to check my responses. Thanks in advance!
Is (0,3) a solution to the equation y=x+3 Yes**My choice No Is (1,-4)
5 answers
asked by
Derpy Pegasus
453 views
Show your work. Is (1, -7) a solution to the equation y = x - 8? Choose the correct answer.
a) yes b) no
2 answers
asked anonymously
51 views
1. Which value is a solution of the equation
5 - 4x = -3 0 2 -3 1/4 2. Which ordered pair is a solution of the equation y = x - 4
10 answers
asked by
Charlotte
4,695 views
2.which value is a solution of the equation 3-2x=-5?
a.2 b.4*** c.-2 d.1/5 NEED ANSWER ASAP
10 answers
asked by
THAT CAZY GIRL
2,634 views
A solution is prepared by dissolving 15grams of table salt in 70grams of water. Find (a) mass percent of solute (b) mass percent
4 answers
asked by
Araceli
3,012 views
1. In the lab, Deon has two solutions that contain alcohol and is mixing them with each other. Solution A is 40% alcohol and
4 answers
asked by
Amy
5,543 views
The pH of a Ba(OH)2 solution is 10.66. What is the hydroxide concentration? If the solution volume is 125ml, how many grams of
4 answers
asked by
ralph
3,654 views
to create a 0.25 M Potassium Chloride solution. Your mass is 5.00 grams of Potassium Chloride. How many liters of water is
4 answers
asked by
Daniel
2,983 views
Which of the following solutions will have highest freezing point?
A. 0.1M KCl B. 0.05M NaCl C. 1M AlPO4 D. 0.1MMgSO4 ? i need it
6 answers
asked by
Handsomehulk
3,686 views
What is the molarity of a solution prepared by dissolving 8 grams of BaCl2 in enough water to make a 450.0 mL solution?
5 answers
asked by
Anonymous
2,067 views
you have 100ml of water in a beaker. you add 20 ml of table salt. the water level rises to only 105 ml.
16 answers
asked by
Tee
5,256 views
What is the mole fraction of alanine in 0.314m CH3CH(NH2)COOH(aq)?
4 answers
asked by
Anonymous
1,405 views
14. Describe the number of solutions for the equation
-2(y-3) =2y-6 a. one solution b. no solution c. infinite solutions my
4 answers
asked by
meerandoi
1,044 views
what is the concentration of the mixture of two mixture if two quarts of 30% acid solution is mixed with 3 pints of 20%acid
5 answers
asked by
tasu
1,884 views
An aqueous solution that is 10.0 percent sulfuric acid (H2SO4) by mass has a density of 1.143 g/mL. Determine the molality of
4 answers
asked by
tyler
4,110 views
Elisa adds blue food coloring to a beaker full of water. She watches as the food coloring slowly disperses throughout the water.
5 answers
asked by
NAV
651 views
If the density of a 40.0 mass % solution of ethylene glycol in water is 1.0514g/mL at 20 celcius what is the molarity
4 answers
asked by
RB
1,255 views
As the number of solute particles in a given volume of solution increase will:
freezing point increase, vapor press decrease? or
4 answers
asked by
Thomas
2,448 views
In the question Consider a 0.90 M Al(NO3)3 solution. This solution has a nitrate ion concentration of . . . .
How do you figure
4 answers
asked by
Ken
4,154 views
2mL of a 10M solution of Compound A is taken and 48mL added. 1mL of this solution is then taken and dried to dryness before
4 answers
asked by
jake
819 views
A 5M solution is diluted 1/10 and again 1/5. What is the concentration of each dilution?
4 answers
asked by
T
816 views
if you dissolve 350 g of K(2)CrO(4)in 2.4 kg of water, what is the molality of the solution?
4 answers
asked by
crystal
874 views
how much salt must be added to how much water to create 10ml of a
10% saline solution.
4 answers
asked by
amy
1,249 views
You have 67.0 mL of a 0.400 M stock solution that must be diluted to 0.100 M. Assuming the volumes are additive, how much water
4 answers
asked by
Anonymous
2,285 views
In a 1.0x10^-6 M solution of HNO3(aq) at 25 degrees C, identify the relative molar amounts of species from most to least.
HNO3
5 answers
asked by
Mer
13,661 views
How Would 250ml Of 0.15M kno3 solution be preared
6 answers
asked by
Anonymous
2,597 views
How much of each starting material would you use to prepare 2.00 L of each of the following solutions?
0.240 M NaOH from 1.00 M
4 answers
asked by
lyne
1,859 views
What is the molality of an aqueous solution that is 10.0% ethanol, C2H5OH, by mass?
26 answers
asked by
Marcus
4,153 views
When 2.25 g of sodium hydroxide (NaOH) was dissolved in 150.00 g of water a value of 11.00oC was obtained for ΔT.
1. Calculate
5 answers
asked by
Kales
5,616 views
Which of the following solutions has a molarity different from the rest?
a. 6 N H3PO4 b. 4 N Ca(OH)2 c. 8 N HC2H3O2 d. 2 N NH40H
4 answers
asked by
Peabody
3,173 views
If you want to prepare 2.0 liters of a .25 M solution of NH4Cl, how many grams of the salt should you weigh out?
5 answers
asked by
J
3,358 views
If you take a 15.0-mL portion of the stock solution and dilute it to a total volume of 0.700L , what will be the concentration
4 answers
asked by
meaghan
7,037 views
density of 20% by mass C2H6O2 solution in water is 1.03 g/mL. find the molarity of the solution.
6 answers
asked by
lily
3,316 views
A student placed 19.0g of glucose (c6h12o6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then
4 answers
asked by
Heather
8,077 views
What is the concentration of a solution made by diluting 95 mL of 6.0 M HCl to a final volume of 750 mL
5 answers
asked by
Tish
6,336 views
Find the percent by mass of sodium chloride in a 1.35 M NaCl solution. The density of the solution is 1.06 g/mL..............how
4 answers
asked by
wade
4,689 views
In a solution prepared by mixing CH3OH with H2O the major species pesent are
1. a. CH3+, OH, and H2O 2. b. CH3O, H+, and H2O 3.
7 answers
asked by
Mark
13,948 views
In a 1.0x10^-4 M solution of HClO(aq), identify the relative molar amounts of these species:HClO, OH-, H3O+, OCl-, H2O
6 answers
asked by
karla
12,822 views
An aqueous stock solution is 85.0% H2SO4 by mass and its density is 1.83 g/mL. What volume of this solution is required to make
4 answers
asked by
Wes
2,083 views
You have a stock solution of 15.8 M NH3 . How many milliliters of this solution should you dilute to make 1350 mL of 0.300 M NH3
4 answers
asked by
Jennie
3,572 views
Calculate the grams or milliliters of solute needed to prepare the following solutions.
1.)75. g of a 7.0 % (m/m) KCl solution
4 answers
asked by
maria
7,047 views
A solution of sodium bicarbonate is prepared by adding 45.00g of sodium bicarbonate to a 1.00-L volumetric flask and adding
7 answers
asked by
Maria
2,626 views
If 4.0L of a 4.7M SrCl2 solution is diluted to 45L , what is the molarity of the diluted solution?
4 answers
asked by
Sean1987
6,695 views
If a 45.3-g sample of potassium nitrate is dissolved in enough water to make 225 mL of solution, what will be the molarity?
5 answers
asked by
Kevin
5,002 views
A solution of iodine (I2) in carbon tetra-chloride(CCl4) is used when iodine is needed for certain chemical tests. how much
5 answers
asked by
punk480
3,547 views
You have a solution of 0.500 M NaCl. If you add an equal amount of water to this solution, doubling the volume, what is the
5 answers
asked by
Christina
4,101 views
Express the concentration of a 0.0510 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume
5 answers
asked by
Joy
22,296 views
Perpare 500ml of 1M HCl solution from a bottle of concentrated 37%(W/W) HCL stock with a density of 1.19g/ml.
37%= 37/100 x 100
4 answers
asked by
Ryan
7,289 views
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