Al2(SO4)3

671 results, page 2

chemistry urgent

given the reaction: 2 Al + 3 H2SO4 -> Al2(SO4)3 + 3 H2 what volume of H2 gas measured at STP will be produced from 5.4 grams of AL reacting with an excess of H2SO4?

Chemistry AP

Determine the value of x in al2(so4)3 . xh2o when 4 grams of aluminum sulfate hydrate was heated and 3.5 grams remain. (show working please)

Chemistry

If 20.0 grams of Al is placed into a solution containing 115 grams of H2SO4, how many grams of hydrogen gas could be produced? 1. Write the balanced equation. 2Al + 3H2SO4 ==> Al2(SO4)3 + 3H2 2. Convert 20.0 g Al to mols. Remember mols = g/atomic mass 3. Using the ...

chemistry

calculate the necessary amounts of solutes and solvent to make a 4l bottle of antifreeze that will have a 35 degree change in the freezing point of water. soultes are: Al2(SO4), KBr) and Mg(NO3)2.

GeneralChemistry

What is the minimum amount of 6.7M H2SO4 necessary to produce 27.9g of H2 (g) according to the following reaction? 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) I don't know how to solve it, and I don't understand the explanation given online.

Chem1020

Sulfuric acid can dissolve aluminum metal according to the following reaction. 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 23.7 g . Sulfuric acid can dissolve aluminum metal according to the following reaction. 2Al(s...

Chemistry

What is the percent yield if 4.65g of copper is produced when 1.87g of aluminum reacts with an excess of copper(II) sulfate? 2Al(s)+3CuSO4(aq)==>Al2(SO4)3(aq)+3Cu(s)

chemistry hw help please ASAP

if 25.2 g of aluminum (AW=27.0) are mixed with 125 g of sulfuric acid(MM=98.1)then how many grams of aluminum sulfate will be produced? 2Al+ 3 H2SO4 --> 3H2 + Al2(SO4)3

chemistry

Copper container can be used to store (A) Al2(SO4)3 solution (B) ZnSO4 solution (C) FeSO4 solution (D) All of these

chemistry

If 0.755 g of Al3+ dissolved in 960 mL of water reacts stoichiometrically according to the balanced equation, what volume (mL) of 0.0875 M aqueous Cl- is required? Al2(SO4)3(aq) + 3 BaCl2(aq) → 2 AlCl3(aq) + 3 BaSO4(s)

chem101

Which of the following solutes in aqueous solution would be expected to exhibit the LARGEST freezing-point lowering (assuming ideal behavior)? A. 0.1 m NaCl B. 0.2 m CH3COOH C. 0.1 m MgCl2 D. 0.05 m Al2(SO4)3 E. 0.25 m NH3

chemistry

What is the minimum amount of 5.0M H2SO4 necessary to produce 24.1g of H2(g) according to the following reaction? 2Al(s) + 3H2SO4(aq) produces Al2(SO4)3(aq)+3H2(g). Express your answer using two significant figures.

Chemistry

Which of the following pairs of compounds will give a precipitate in a diluted solution? Question 4 options: A) Cu(NO3)2 and Na2CO3 B) KNO3 and NaCl C) MgCl2 and Ba(NO3)2 D) NH4Cl and Al2(SO4)3

chem

Aluminum hydroxide and sulfuric acid neutralize to make water and aluminum sulfate. the first step i have done: Al(OH)3 + H2SO4 -> H2O + Al2(SO4)3 i find this one confusing XD

Chemistry 111

Calculate the number of moles of alumunium sulfer, oxygen atoms in 9.00 moles of Alumunium sulfate, Al2(SO4)3?

chemistry

calculate the necessary amounts of solutes and solvent to make a 4 liter bottle of antifreeze that will have a 35 degree change in freezing point of water. solutes are Al2(SO4)3, KBr, Mg(NO3)2

chemistry

calculate the necessary amounts of solutes and solvent to make a 4 liter bottle of antifreeze that will have a 35 degree change in freezing point of water. solutes are Al2(SO4)3, KBr, Mg(NO3)2

science

The molecule Al2(SO4)3 has dissolved in water. What ions are formed and how many ions are formed of each type?

AP Chemistry

If you were to draw diagrams (such as that shown on the right) representing aqueous solutions of each of the following ionic compounds, how many anions would you show if the diagram contained six cations? (a) NiSO4, (b) Ca(NO3)2, (c) Na3PO4, (d) Al2(SO4)3

Chemistry

Aluminum reacts with excess copper(II) sulfate according to the unbalanced reaction Al(s) + CuSO4(aq) −→ Al2(SO4)3(aq) + Cu(s) If 2.21 g of Al react and the percent yield of Cu is 40.8%, what mass of Cu is produced? Answer in units of g. I got 7.807423031 g of Cu. ...

science

I need help to find the answer to this problem: The formula for aluminum sulfate is Al2(SO4)3. Figure the molar mass of aluminum sulfate to the nearest gram?

chemistry lab

calculate the necessary amounts of solutes and solvent to make a 4 liter bottle of antifreeze that will have a 35 degree change in freezing point of water. solutes are Al2(SO4)3, KBr, Mg(NO3)2

URGENT CHEMISTRY

Which of the following pairs of compounds will give a precipitate in a diluted solution? Question 4 options: A) Cu(NO3)2 and Na2CO3 B) KNO3 and NaCl C) MgCl2 and Ba(NO3)2 D) NH4Cl and Al2(SO4)3 ALL OF THEM ARE SOLUBLE? WHAT DO I DO?

chemistry

Aluminum reacts with sulfuric acid, which is the acid in car batteries. If 20.0 grams of Al is placed into a solution contain 115 gram of H2SO4, how many grams of hydrogen ga could be be produced? 2Al + 3H2SO4 ---> Al(SO4)3 + 3H2 20.0g/27 = .741 .741 X 3/2 = 1.11 1.11 X 2...

Chemistry

Why is heating required for this formation: 6NaOH (aq) + Al2(SO4)3 (aq) ¨ 2Al(OH)3 (s) + 3Na2SO4 (aq)? Wouldn't freezing favour the formation of Al(OH)3 since freezing lower the KSP and more Al(OH)3 would precipitate?

Chemistry

An unlabeled bottle containing a solution was found in the lab. It contains one of the following: AgNo3, CaCl2, or Al2(SO4)3. Describe how you would test the solution to determine which solution it is. Include equations in your answer.

CHEMISTRY

Hi!! pls i need help! 1) Mg + Al2(So4)3 2)Fe + CuSO4 3)Mg + CuSO4 4)Zn + CuSO4 5)Mg + FeSO4 FOR ALL 5: a)balanced eq b)ionic equation c) net ionic

Chemistry

According to the reaction 2Al+3H2SO4→3H2+Al2(SO4)3, the total number of moles of H2SO4 needed to react completely with 5.0 mol of AL is 1. 2.5 mol 2. 5.0 mol 3. 7.5 mol 4. 9.0 mol

Chem 22

balance molecular formula, total ionic formula and net ionic formula of Sr(NO3)2 + Al2(SO4)3. Thank you

Chem 22

balance molecular formula, total ionic formula and net ionic formula of Sr(NO3)2 + Al2(SO4)3. Thank you

Chemistry

Use Ksp to find the concentration of an ion in a saturated solution. Consider a 2.50E-3 M solution of Al2(SO4)3. (a) What [OH^-] is required to initiate precipitation of Al^3+ from the solution? (b) What [OH^-] is required to lower the [Al^3+] to 2.00E-7 M ?

CHEMISTRY

Here's one last equation I can't balance: Al{subscript 2}(SO{subscript 4}){subscript 3} + ZnCl{subscript 2} -> AlCl{subscript 3} + ZnSO{subscript 4} Please help, and thanks again. Response Al2(SO4)3 + 3ZnCl2 ---> 2AlCl3 + ?___ZnSO4 Why do you have "?____" before the ZnSO4?

chemistry

Balance each of the following neutralization reactions. Express your answer as a chemical equation. Identify all of the phases in your answer. Part A: HNO3(aq) + Ba(OH)2(s) ---> Ba(NO3)2(aq) + H2O(l) Part B: H2SO4(aq) + Al(OH)3 ---> Al2(SO4)3(aq) + H2O(l)

chemistry

Balance each of the following neutralization reactions. Express your answer as a chemical equation. Identify all of the phases in your answer. Part A: HNO3(aq) + Ba(OH)2(s) ---> Ba(NO3)2(aq) + H2O(l) Part B: H2SO4(aq) + Al(OH)3 ---> Al2(SO4)3(aq) + H2O(l)

Chemistry

Consider the reaction 2Al + 3CuSO4 = Al2(SO4)3 + 3Cu What is the maximum amount of Cu (63.5 g/mol) that could be produced by reacting 20.0 grams of Al (27.0 g/mol) with excess CuSO4? 1. 70.6 g 2. 57.2 g 3. 129 g 4. 31.4 g I don't understand how to set it up nor what I do with ...

Chemistry

Sulfuric acid can dissolve aluminum metal according to the following reaction. 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 24.4g . What minimum amount of H2SO4 in grams would you need?

Chemistry

What volume of gas can be produced in a lab where pressure is 16.0 psi and temperature is 25 C if you collect it over water from the reaction of 50g of ammonium sulfate with 50g of aluminum hydroxide. The equation for the reaction is: 3(NH4)2SO4 + 2Al(OH)3 ---> Al2(SO4)3 + ...

Chemistry

Hi!! pls i need help! 1) Mg + Al2(So4)3 2)Fe + CuSO4 3)Mg + CuSO4 4)Zn + CuSO4 5)Mg + FeSO4 FOR ALL 5: a)balanced eq b)ionic equation c) net ionic PLEASE HELP ME..THERE ARE SOO MANY MORE QUESTIONS I NEED TO DO!!!:(

Chemistry

There's reaction involving gas: Fe + H2SO4 -> Fe2(SO4)3 + H2O + SO2 How Fe2(SO4)3 is occur? I know the "2" comes from the ion of SO4, but I don't know where the "3" comes up. Is the Fe2(SO4)3 comes up from half-reaction method? Is the reaction occurs in one step or multiple...

Chemistry

How many moles of Sulfur are in 1 mole of Al2(SO4)3 and If the densitry of a noble gas is 1.783 g/L at STP, that gas is.... My guess: Argon? Then theres a question that says "Which as the greater mole.... and it lists things like: 1 mole Of Ar 1 Mole of O How would you figure ...

Chemistry help

Write two molecular formulas that reduce to each to each of the given empirical formulas. Do not include the given empirical formulas. 1. Al2(SO4)3 . Cr(CN)3

chemistry

In aqueous solution Mg consists as an ion +2 . What would the formula of the metal salt magnesium sulfate be?? I think it will be Mg(SO4)2 as Mg is a positive ion +2 and SO4 is negative ion SO4- Can you chceck please?

Chem 101

why must we used sulfuric acid H2SO4, in 2KAl(OH)4 + H2SO4->2Al(OH)3(s)+K2SO4 +2H2O and 2Al(OH)(s)+3H2SO4->Al2(SO4)3+6H2O rather than hydrochloric acid,HCl,or nitric acid, HNO3?

Chemistry

I had a 1.094g of mystery Alum. "AB(SO4)c. dH2O" (I assume that that the Alum is KAl(SO4)2-12H2O but we don't know A B c or d, we do know that mass percent of water is 51.9) After processing the alum (Ba(NO3)2 and HNO3 through a gooch crucible) we end up with 1.739g of BaSO4. ...

CHEMISTRY

Here's one last equation I can't balance: Al{subscript 2}(SO{subscript 4}){subscript 3} + ZnCl{subscript 2} -> AlCl{subscript 3} + ZnSO{subscript 4} Please help, and thanks again. Responses Al2(SO4)3 + 3ZnCl2 ---> 2AlCl3 + ?___ZnSO4 What is your thinking? What goes in ...

Chemistry

An 800-mg sample containing sulfate was treated with slight excess of barium chloride, yielding a precipitate that contained 4.3 mg of co precipitated CaCO3. after ignition and cooling, the precipitate weighed 277.0 mg. Calculate the a.) apparent % SO4 b.) true % SO4 and c.) ...

Chemistry

How many atoms of carbon are contained in 47.6 g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99 g/mol.

Chemistry

What is the minimum amount of 6.6 M H2SO4 necessary to produce 22.6 g of H2 (g) according to the following reaction? 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) I need to find the volume of the H2SO4 Work: 22.6g H2 /2.008g H2 = 11.3 mol H2 11.3 mol H2 * (3molH2SO4/3molH2) * (...

chemistry

Al2(SO3)3 + 6NaOH ¨ 3Na2SO3 + 2Al(OH)3 If this reaction begins with 10 g Al2(SO3)3 and 10 g NaOH, what is the theoretical yield in grams Al(OH)3 and what is the limiting reactant?

American government

Aluminium sulphate when dissolved in water forms aluminium hydroxide and sulphuric acid.Since, aluminium hydroxide is insoluble in water, a clear solution is not obtained. Al2(SO4)3 + 6H2O →2Al(OH)3 + 3H2SO4Aluminium Aluminiumsulphate Hydroxide

science

2Al+3H2SO4--> Al2(SO4)3+3H2 a.)determine the oxidation number of each element in both the reaction and products of this oxidation-reduction reaction of aluminum and sulfuric acid. b.) what element is oxidized in this reaction? c.) what element reduces in the reaction?

Chemistry

If 2.43 grams of aluminum react with excess CuSO4, What is the theoretic yeild of Cu? And then Use the Actucal amount of Cu formed to find percent yield.You have 0.92 mass of copper metal product. 2Al + 3CuSO4 ---> Al2(SO4)3 + 3Cu 2.43 / 27 = 0.09 moles of al 0.09 x 3 / 2 x...

chemistry

Balance each of the following equations a)CH4+CL2......>CCl4+HCl b)AL(OH)3+H2SO4.....>Al2(SO4)3+H2O c)Fe+H2O......>fe3O4+H2 d)Al4C3+HCl......>AlCl3+CH4 e)C2H6+O2......>CO2+H2O f)P2H4.......>PH3+P4 g)S2Cl2+NH3......>N4S4+NH4CL+S8 h)Ag+HNO3.......>AgNO3+...

Chemistry

Which of the following solutes in aqueous solution would be expected to exhibit the smallest freezing-point lowering (assuming ideal behavior? 0.1 m NaCl .2 m CH3COOH .05 m Al2(SO4)3 .1 m MgCl2 .25 m NH3 What would be the steps to picking the right option? Because just picking...

chem help please

If 720 mL of 0.0165 M aqueous Al3+ and 300 mL of 0.0567 M aqueous Ca2+ are reacted, how many mol of Br- is produced? Al2(SO4)3(aq) + 3 CaBr2(aq) → 2 AlBr3(aq) + 3 CaSO4(s) my answer was .03564 mol of Br will be produced but the real answer is .0340 mol...i do not know ...

Chemistry: Compound

1) ZnSO4 would it be Zn(SO4) does the polyatomic ion always have to have ( ) ? 2) Is Ba(SO4) right? since Ba is 2+ and SO4 is 2- right? 3) In a net ionic equation for BaCI2 would it become Ba ^(2+) + 2CI or Ba ^(2+) + CI2 ?

Chemistry

Solutions of NiSO4(aq), Al2 (SO4)3 (aq), CoSO4 , and SnSO4 (aq) are in bottles labelled A, B, C, and D. a) Design an experiment to identify which ionicsulfate solution is in which bottle. Give a list of equipment and chemicals required. Describe a step-by-step procedure for ...

chemistry

If 840 mL of 0.0140 M aqueous Al3+ and 500 mL of 0.0680 M aqueous Br- are reacted, what mass (g) of Br- is produced? Al2(SO4)3(aq) + 3 CaBr2(aq) → 2 AlBr3(aq) + 3 CaSO4(s) Molar Mass (g) Br- 79.904 Al3+ 26.982 Br- 79.904 Molar Volume (L) 22.400 at STP Gas Constant 0.0821

Chemistry

If a precipitation reaction occurs when a solution of one species is added to a solution of the other, enter the formula, including the state, of the soluble product. If there is no reaction, enter the formula and state of all ions in solution, separate by comma. Al2(SO4)3(aq...

Chemistry

If a precipitation reaction occurs when a solution of one species is added to a solution of the other, enter the formula, including the state, of the soluble product. If there is no reaction, enter the formula and state of all ions in solution, separate by comma. Al2(SO4)3(aq...

CHEMISTRY

How many moles of Calcium chloride can be added to 1.5L of 0.020potassium sulphate before a precipitate is expected? Assume that the volume is not chnaged significantly. CaSO4 ==> Ca^+2 + SO4^= Ksp = (Ca^+)(SO4^=) = ??. Look it up. (SO4^=) = 0.02 M Use Ksp to calculate (Ca...

Physical Science

Which of the following is a balanced equation? a. A1 + CuSO4= Cu + A12 (SO4)3 b. 2 A1 + CuSO4 = Cu + A12 (SO4)3 c. A1 + 3 CuSO4 = 2 Cu + A12 (SO4)3 d. 2 A1 + 3 CuSO4 = 3 Cu + A12 (SO4)3

chemistry quick help!

In the balanced double replacement reaction of calcium chloride CaCl2 and aluminum sulfate Al2(SO4)3, how many grams of calcium sulfate can be produced if you start the reaction with 4.19 grams of calcium chloride and the reaction goes to completion?

Chem hwk

In the balanced double replacement reaction of calcium chloride CaCl2 and aluminum sulfate Al2(SO4)3, how many grams of calcium sulfate can be produced if you start the reaction with 18.97 grams of calcium chloride and the reaction goes to completion?

Chem AS

On addition of aqueous sodium hydroxide to an aqueous solution of salt R, a white precipitate is obtained, soluble in an excess of the hydroxide. A white ppt is also obtained when R is treated with aqueous ammonia , but it is insoluble in excess. Which of the following could ...

chemistry

How will you prepare 150.0 ml 2.0 M H2 SO4 using concentrated H2 SO4 acid?

chemistry

You are provided with supply of 2M SO4.Explain how you may prepare 500ml of 0.5M SO4.

science

2. I need help balancing this Na2(SO4) + CaCl2 „³ NaCl + Ca(SO4)

chemistry

How many moles of Pb(SO4)2 are equivalent to 157.9 g of Pb(SO4)2 (Mw. 399.34 g/mol)?

science(chem)

For an example of charge balance in my text it says Write a charge balance eqzn for an aqueous sol that contains NaCl, Ba(ClO4)2, & Al2(SO4)3 The answer given is: [Na+] + [H30+] + 2[Ba+] + 3[Al3+]= [ClO4-] + [NO3-] + 2[SO42-] + [HSO4-] + [OH-] I know that the rxns are: NaCl=&...

chem

Write mass and charge balances for SrSo4 (s)+ So4^2- So4^2- + H2O --> HSO4- + OH- and H2)---> H+ + OH-

chemistry

What type of chemical reaction is this equation? CuO (s) + [2H+ + SO4 2-](aq) [Cu2+ + SO4 2-] (aq) + H2O (l)

chemistry 105

Sulfuric acid dissolves aluminum metal according to the following reaction: 2Al(s)+3H2SO4(aq)-->Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 14.7 g. What minimum mass of H2SO4(in g) would you need? What mass of H2 gas(in g) would be ...

chemistry

Sulfuric acid dissolves aluminum metal according to the following reaction: 2Al(s) + 3H2SO4(aq) -> Al2(SO4)3(aq) + 3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 15.9g . A)What minimum mass of H2SO4 (in g) would you need? [***A=86.7g***] B)What mass ...

Chemistry 101

Sulfuric acid dissolves aluminum metal according to the following reaction: 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 14.9g .What minimum mass of H2SO4 would you need? What mass of H2 gas would be produced by ...

chemistry

When the equation Fe2(SO4)3(aq) + 3Ba(OH)2(aq) ! is completed and balanced, a term in the balanced equation is 1. 2 Fe(OH)(s). 2. 2 Fe2(SO4)3(aq). 3. Ba2(SO4)3(aq). 4. 2 Fe(OH)3(s).

Chemistry to DrBob

Dr. bob could you please check this work cus i can't seem to get it right the first step of the synthesis is described by the reaction below. When 1.750 g of Fe(NH4)2(SO4)2 6H2O is mixed with 13 mL of 1.0 M H2C2O4, the theoretical yield of FeC2O42H2O is ???? grams. Fe(NH4)2(...

chem

Sulfuric acid can dissolve aluminum metal according to the following reaction. 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 26.8 g . 1.What minimum amount of H2SO4 in grams would you need? 2.How many grams of H2 gas ...

Chemistry

Consider the following compound: uranium (VI) sulfate I think the answer is U2(SO4)6 but I'm not sure if I need to simplify it to U(SO4)3 Thank you for your time!

Chemistry

Assign oxidation numbers for the following chemical equation: 2Al + 3H2SO4 ---> Al2(SO4)3 +3 H2 What was oxidized? What was reduced? My answer: Oxidation numbers going from the left side of the chemical eq to the right side.. Al: 0 H: +1 S: +6 O : -2 Al: +3 S: +6 O: -2 H: 1...

Chemistry

Which of the following pairs of compounds will give a precipitate in a diluted solution?** a) Cu(NO3)2 and Na2CO3 b) KNO3 and NaCl c) MgCl2 and Ba(NO3)2 d) NH4Cl and Al2(SO4)3 A solution contains I-, Br- and OH- ions. If Ag+ is added, what will the precipitate(s) be? a) AgOH b...

Chem in relation to Beuatiful's question

The question says Sufuric acid reacts with Aluminum hydroxide by double replacement. I have the reactant side I just need the product side because I need to know does aluminium replace Hyrdrogen, really confused hydroxides react with acids to form a salt and water. Products ...

Chemistry

Sulfuric acid dissolves aluminum metal according to the following reaction: 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 14.5g . 1.) What minimum mass of H2SO4 would you need? 2.)What mass of H2 gas would be ...

chemistry

Calculate the mass of salt needed to prepare 100 cm3 of 0.05 M solution of: (i) Fe(NH4)2(SO4)2.6H2O (ii) FeNH4(SO4)2.12H2O

chemistry

Calculate the xolubility of calcium sulfate in 0.010 mol/L calcium nitrate at SATP CaSO4 ==> Ca^+2 + SO4^= Ca(NO2)2 ==> Ca^+2 + 2NO3^- = 0.01 M Ksp CaSO4 = (Ca^+2)(SO4^=) = ??. Look up Ksp for CaSO4. Subsitute 0.01 for Ca^+2 and x for SO4^= and solve for solubility CaSO4...

chemistry(limiting reagent)

Al2(SO3)3 + 6NaOH ----> 3Na2SO3 = 2 Al9OH)3 If 10.0g of Al2(SO3)3 is reacted with 10.0g of NaOH, determine the limiting reagent? help!!!

DrBob222-Questions

Can you please check these for me. Thank you very much in return:-) For Al2(SO4)3 you gave me Aluminum ion and Sulfate ion. These are the rest: CaCl2 = Calcium ion and Chlorite ion Na2O = Sodium ion and Oxygen ion AgCl = silver ion and chlorine ion Na3PO4 = Sodium ion and ...

Chemistry

1) Consider the following substance: V3N5. What is the oxidation number of vanadium and nitrogen? 2) Consider the following substance: Mn2O7. What is the oxadation number of manganese and oxygen? 3) Consider the following reaction: Al2(SO4)3. What is the oxidation number of ...

chemistry

Use the balanced equation below to answer the following questions. 2Al(NO3)3 + 3Na2CO3 Al2(CO3)3(s) + 6NaNO3 - What is the ratio of moles of Al(NO3)3 to moles Na2CO3? (1 point) - If 852.04 g Al(NO3)3 reacted with the 741.93 g Na2CO3, which would be the limiting reagent? Show ...

Chemistry

A mixture of KCr(SO4)2 and its hydrate KCr(SO4)2•12H2O has a mass of 1.6336 g. After heating to drive off all the water, the mass is only 1.4659 g. What is the weight percentage of KCr(SO4)2•12H2O in the original mixture? Report your answer to 4 significant figures. I got ...

chemistry

3.50 mol Al(NO3)3 reacts with 5.00 mols K2CrO4, the total number of moles of Al2(CrO4)3 and KNO3 would be? Here is the equation if it's needed. 2 Al(NO3)3(aq) + 3 K2CrO4(aq) → Al2(CrO4)3(s) + 6 KNO3(aq)

chemistry

You need to make a 300 ml of a .37M Na2 SO4 solution. How much Na2 So4 should you weigh out?

Chemistry

Calculate the mass of Fe(NH4)2(SO4)2.6H2O(s) required to prepare 25ml of 1.0 M Fe(NH4)2(SO4)2.6H20(aq)

chemistry

[Cu(NH3)4]2+ + SO4(aq)2 + H2O [Cu(NH3)4]SO4•1H2O What is the theoretical yield of the products?

science

Na2 SO4 + Ca Cl----> Ca SO4 +Na Cl

Chemistry

CuSO4(aq) + 4NH3(aq) → [Cu(NH3)4]SO4(aq) I know that adding nitric acid will reverse the reaction. But what is the actual chemical equation? [Cu(NH3)4]SO4(aq) + HNO3(aq) --> ???

Chemistry

Hello, I don't really know where to begin with this question. Thanks in advance! Consider the mixing of 10.0 ml of 0.25M K2SO4 with 15.0 ml of 1.10M KCL. What is the concentration of K+, Cl- and SO4^2-? a) K+___ b) CL-___ c) SO4^2-___

Chem

What mass of precipitate is produced when 40.0 mL 0.100M lead nitrate reacts with 30.0 mL 0.100M aluminum sulfate? Assume the volumes are additive. I keep getting the answer of 2.7g precipitate formed rather than the answer of 1.21g. I am using an ice table and find that the ...

Chemistry

Okay, in this prolem i need to balence this equation. Even our teacher had problems with it, but he refuses to help anyone. PbCrO4 + HCL + FeSO4 ----> PbCl2 + Cr2 (SO4)3 + H2O + Fe2(SO4)3 please help me. this is the last problem on my homework. then im off to start math :) ...

chem-Am I Right????

For 0.10 M ZnCl2 and 0.10 M KAl(SO4)2, find:? a) spectator ions (if any) b) ions expected to hydrolyze (if any) c) net ionic equation for hydrolysis d) expression for equilibrium constant (Ka or Kb) e) value of Ka or Kb My answers are: a) Cl- ; K+ ; SO4^2- b) Zn+ ; Al3+ please...

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