04/12/18

What concentration of Mg 2+ ions will reImain in solution after adding NaOH to a solution composed of 200.0mL of 0.01M Mg 2+ and 0.005M Ca2+?
What concentration of Mg 2+ ions will remain in solution after adding NaOH to a solution composed of 200.0mL of 0.01M Mg 2+ and 0.005M Ca2+?
Follows • 2
Expert Answers •1

04/12/18

When 310 mL of 0.460M CaS is added to 310.0mL of 0.112M NaNo3, what percentage of the Na+ is left unprecipitatated?
When 310 mL of 0.460M CaS is added to 310.0mL of 0.112M NaNo3, what percentage of the Na+ is left unprecipitatated?
Follows • 2
Expert Answers •1

04/12/18

4.7 mL of 0.35M KI are added to 150.0mL of 0.069M Pb (NO3)2 Will a precipitate of lead iodide be formed?
The following reaction has a Ksp of 7.1×10^-9   PbI2 (s) <==> Pb 2+ (aq) + 2I- (aq)
Follows • 2
Expert Answers •1

04/12/18

How do I solve this AP Chemistry problem on precipitation?
Can Ce (IO3)3 precipitate when adding together 100mL of 1.0×10^-2 M Ce (NO3)3 and 200mL of 2.0×10^-3 M KIO3?   Ksp=1.9×10^-10
Follows • 2
Expert Answers •1

04/12/18

Will a precipitate of lead (II) occur if there drops of 0.20M KI are added to 100.0 mL of 0.010M Pb (NO3)2?
Assume that 1 drop= 0.05mL.
Follows • 2
Expert Answers •1

04/12/18

Silver chromate is dissolved in 0.1M AgNO3. What affect does the common ion have of the solubility?
Ksp= 9×10^-12   Molar solubility= 1.3
Follows • 2
Expert Answers •1

04/12/18

A sample of water is saturated with Mg (OH)2 ). The sample has an Mg2+ content of 45 ppm. What is the OH- content of the water in ppm?
A sample of water is saturated with Mg (OH)2 ). The sample has an Mg2+ content of 45 ppm. What is the OH- content of the water in ppm?
Follows • 2
Expert Answers •1

04/12/18

Which of the following would be more soluble in an acidic solution?
Zn (OH)2, KBr, AlCl3, or PbS?
Follows • 2
Expert Answers •1

04/12/18

How do I write the solubility equillibrim equations that are described by the following Ksp?
A. Ksp= [Pb 2+][Cl-]^2   B. Ksp=[Mg 2+]^3 [PO4 3-]^3   C. Ksp= [Sr 2+][CO2 3-]   D. Ksp= [Hg2 2+][ Cl-]^2
Follows • 2
Expert Answers •1

04/12/18

Molar Mass using Molality?
Molar Mass of:1. compound A if a solution of 1.00 g in 225 g of water freezes at -0.102 degrees celsius2. compound B if a solution of 1.00 g in 100 g of cyclohexane freezes at 6.02 degrees... more
Follows • 2
Expert Answers •1

04/12/18

If the rate law of a chemical reaction is k[NH4+]2[NO2–], what is the order of the reaction?
 I am unsure about whether or not the 2 is the order or the 1.  
Follows • 2
Expert Answers •1

04/12/18

Chemistry help!!
NaCl is added to an ice cube tray with 0.25 kg of water and they don't freeze until they reach -4.5 degrees Celsius. What mass of NaCl was added to the ice cube tray?
Follows • 2
Expert Answers •1

04/12/18

How find the pH of this solution? ( Chemistry )
200 mg of KOH are added with H2O until a final volume of 720 ml is reached. Determine the pH of the solution obtained and tell if the solution is acidic or basic.   Guys please help me thanks in... more
Follows • 2
Expert Answers •1

04/12/18

chemistry 111
A 10.5 g sample of benzeme (c6h6) was combusted in a bomb calorimeter. If the temperature rose by 27.5 celcius, use the imformation below to determine the heat capacity of the calorimeter: 4... more
Follows • 2
Expert Answers •1

04/12/18

what is not a property of water
A. Holding dissolved gases B. contributing matter to new chemicals
Follows • 2
Expert Answers •1

04/11/18

how can IHC be used to judge the virulence of 2 neuro-invasive virus strains in mouse infections?
can u also reference a good website or paper that explains it?  
Follows • 2
Expert Answers •1

04/11/18

hydronium ions form when H+ ions combine with water molecules
Does the hydronium ions form when H+ ions combine with water molecules?  
Follows • 3
Expert Answers •2

04/11/18

Sodium nitrite reacts with calcium sulfate to produce sodium sulfate and calcium nitrite
What is the balanced equation? 
Follows • 2
Expert Answers •1

04/11/18

Tetrasilicon Decahydride reacts with oxygen producing silicon dioxide and water
What is the balanced equation? 
Follows • 2
Expert Answers •1

04/11/18

how does impurities affect filtration and drying of aspirin
I need help with this question
Follows • 2
Expert Answers •1

04/11/18

describe the factors that influence purity in filtration and drying.
I need help with this question.
Follows • 2
Expert Answers •1

04/11/18

2H2(g) + O2(g) -> 2H2O(g)
I don’t know how to solve this equation
Follows • 2
Expert Answers •2

04/11/18

2H2(g) + O2(g) -> 2H2O(g)
I don’t know how to solve this equation
Follows • 2
Expert Answers •2

04/10/18

2NH3(g) ↔ N2(g)+3H2(g). The initial equilibrium concentration of NH3, N2 and H2 are 4 M, 1 M and 2 M
Question 10 UnsavedConsider the reaction 2NH3(g) ↔ N2(g)+3H2(g). The initial equilibrium concentration of NH3, N2, and H2 are 4 M, 1 M and 2 M respectively. Draw a graph showing the changes in the... more
Follows • 2
Expert Answers •1

04/10/18

Chemistry Lab - Molality of a Solution
Hello,   I am finishing up my chemistry lab,  and am having trouble solving a question.  I clearly am missing something here, but I cannot figure out what it is.   The question... more
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.