Homework Answers
here in the balanced equation 2 moles of sodium phosphate will give 1 mole of nickel phosphate first deduce moles of sodium phosphate, half of this amount will be the mole we should ideally get of nickel phosphate.
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9. Nickel (11) iodide reacts with 0.355 g of sodium phosphate to precipitate 0.465 g nice...
A reaction is done by dissolving 5.687 g sodium phosphate and 7.533 g of calcium chloride...
A reaction is done by dissolving 5.687 g sodium phosphate and 7.533 g of calcium chloride in water. These react to form solid calcium phosphate and sodium chloride (this remains dissolved in water). a) Write a balanced equation for the reaction; don’t forget states of matter b) How many grams of calcium phosphate are expected to form if all the sodium phosphate reacts? c) How many grams of calcium phosphate are expected to form if all the calcium chloride reacts?...
50.0g of tin（II）fluoride reacts with 50.0g of sodium phosphate. （a）write the balanced equation for the double...
50.0g of tin（II）fluoride reacts with 50.0g of sodium phosphate. （a）write the balanced equation for the double displacement reaction. （b）calculate the grams of tin（II）phosphate that would be formed in the reaction.(c)how many grams of tin(II) phosphate that would be formed in the reaction. SnF2 Na3PO4
2. 20.0 g of aqueous magnesium sulfate reacts with aqueous sodium phosphate and yields a soluble...
2. 20.0 g of aqueous magnesium sulfate reacts with aqueous sodium phosphate and yields a soluble and an insoluble compound. (a) Write and balance the equation and indicate the physical state of reactants and products; (b) calculate the amount of insoluble product assuming more than enough sodium phosphate; and (c) find the number of moles of the insoluble product that can be obtained from 15.0 g sodium phosphate if there is more than enough of MgSO4. (25 points) (a) reaction...
9. Write a balanced equation for the following: aqueous barium chloride reacts with aqueous sodium chromate...
9. Write a balanced equation for the following: aqueous barium chloride reacts with aqueous sodium chromate to form aqueous sodium chloride plus solid barium chromate 10. Consider the fermentation reaction of glucose: CH,0.-2C,H,OH + 200, A1.00-mol sample of CHO, was placed in a vat with excess yeast. If 35.1 g of CHOH was obtained, what was the percent yield of C,H,OH? 11. It is found that 14 g of element X contains 7.509 10 atoms. The atomic mass of X...
When a solution of Lead Nitrate, Pb(NO3)2 , is mixed with a solution of sodium iodide,...
When a solution of Lead Nitrate, Pb(NO3)2 , is mixed with a solution of sodium iodide, NaI, a precipitate of lead iodide, PbI2 , is formed. a) Write the chemical equation for this reaction showing the state of all reactants and products. b) If 1 mol of Pb(NO3)2 reacts with 2 mols of NaI, what is the amount of PbI2 that will be formed? c) If 1 mol of Pb(NO3)2 reacts with 2 mols of NaI, which compound would be...
1. Zinc nitrate reacts with potassium phosphate to form the insoluble compound, zinc phosphate. The reaction...
1. Zinc nitrate reacts with potassium phosphate to form the insoluble compound, zinc phosphate. The reaction proceeds according to the balanced equation below: 3 Zn(NO3)2 (aq) + 2 K3PO4 (aq) → Zn3(PO4)2 (s) + 6 KNO3 (aq) A mass of 0.1420 g is desired as the yield of zinc phosphate. Calculate the moles of desired product. 2. 2 Al(NO3)3 (aq) + 3 K2Cr2O7 (aq) → Al2(Cr2O7)3 (s) + 6 KNO3 (aq) Aluminum nitrate reacts with potassium dichromate to form the...
1. When mixed, solutions of silver nitrate, AgNO, and sodium phosphate, Na3PO4, will form a precipitate...
1. When mixed, solutions of silver nitrate, AgNO, and sodium phosphate, Na3PO4, will form a precipitate of silver phosphate, Ag2PO4. The balanced equation is: 3AgNO3(aq) + Na3PO4(aq) Ag3PO4(s) + 3NaNO3(aq) Which of the following statements regarding this reaction is incorrect? A. 6 moles of AgNO, will react with 2 moles of Na2PO4 B. 9 moles of AgNO3 will form 2 moles of Ag3PO4, given sufficient Na3PO4 C. 1.5 moles of NaNO, will be formed when 0.5 mole of Na PO,...
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.460 M sodium hydroxide (NaOH) solution to a 23.0 g sample of the fluid and collects the solid nickel II) h...
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.460 M sodium hydroxide (NaOH) solution to a 23.0 g sample of the fluid and collects the solid nickel II) hydroxide (Ni(OH)2) product. When no more Ni (OH) is produced, he filters, washes and weighs it, and finds that 206. mg has been produced The balanced chemical equation for the reaction is: Ni2+(aq) + 2NaOH(aq) Ni (OH)2(s) + 2Na+ (aq) ■ precipitation x 10 acid-base...
i only need g, h and I please Classifying Chemical Reactions continued Classifying Chemical Reactions continued...
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only need g, h and I please
Classifying Chemical Reactions continued Classifying Chemical Reactions continued 3. Write a balanced chemical equation for each reaction and classify the reaction. a. Copper metal heated with oxygen gives solid copper(II)oxide. 4 cu +02 → 2420 (5) combination reachon b. Mixing ammonium nitrate and sodium hydroxide solutions gives aqueous sodium nitrate, ammonia gas, and water. NHL NO2+ NaOH -> Na NO₃(aq) + NH₃ (9)+H₂O (e) double replacement c. Mercury(II) nitrate solution reacts with...
Chem 143 - Lab 46) CALCULATE THE THEORETICAL YIELD Grams of sodium carbonate used Moles of...
Chem 143 - Lab 46) CALCULATE THE THEORETICAL YIELD Grams of sodium carbonate used Moles of sodium carbonate used Grams of calcium chloride used Moles of calcium chloride used Moles of precipitate expected Theoretical yield of precipitate in grams Actual yield of precipitate in grams Percent yield 5.6 Show detailed work for percent yield. Page 4 of 4 Chem 143 - Lab Pre-lab Exercise Show the details of each calculation to get full credit 1. Magnesium oxide, a white powdery...
2. 20.0 g of aqueous magnesium sulfate reacts with aqueous sodium phosphate and yields a soluble and an insoluble compound. (a) Write and balance the equation and indicate the physical state of reactants and products; (b) calculate the amount of insoluble product assuming more than enough sodium phosphate; and (c) find the number of moles of the insoluble product that can be obtained from 15.0 g sodium phosphate if there is more than enough of MgSO4. (25 points) (a) reaction...
9. Write a balanced equation for the following: aqueous barium chloride reacts with aqueous sodium chromate to form aqueous sodium chloride plus solid barium chromate 10. Consider the fermentation reaction of glucose: CH,0.-2C,H,OH + 200, A1.00-mol sample of CHO, was placed in a vat with excess yeast. If 35.1 g of CHOH was obtained, what was the percent yield of C,H,OH? 11. It is found that 14 g of element X contains 7.509 10 atoms. The atomic mass of X...
1. When mixed, solutions of silver nitrate, AgNO, and sodium phosphate, Na3PO4, will form a precipitate of silver phosphate, Ag2PO4. The balanced equation is: 3AgNO3(aq) + Na3PO4(aq) Ag3PO4(s) + 3NaNO3(aq) Which of the following statements regarding this reaction is incorrect? A. 6 moles of AgNO, will react with 2 moles of Na2PO4 B. 9 moles of AgNO3 will form 2 moles of Ag3PO4, given sufficient Na3PO4 C. 1.5 moles of NaNO, will be formed when 0.5 mole of Na PO,...
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.460 M sodium hydroxide (NaOH) solution to a 23.0 g sample of the fluid and collects the solid nickel II) hydroxide (Ni(OH)2) product. When no more Ni (OH) is produced, he filters, washes and weighs it, and finds that 206. mg has been produced The balanced chemical equation for the reaction is: Ni2+(aq) + 2NaOH(aq) Ni (OH)2(s) + 2Na+ (aq) ■ precipitation x 10 acid-base...
i
only need g, h and I please
Classifying Chemical Reactions continued Classifying Chemical Reactions continued 3. Write a balanced chemical equation for each reaction and classify the reaction. a. Copper metal heated with oxygen gives solid copper(II)oxide. 4 cu +02 → 2420 (5) combination reachon b. Mixing ammonium nitrate and sodium hydroxide solutions gives aqueous sodium nitrate, ammonia gas, and water. NHL NO2+ NaOH -> Na NO₃(aq) + NH₃ (9)+H₂O (e) double replacement c. Mercury(II) nitrate solution reacts with...
Chem 143 - Lab 46) CALCULATE THE THEORETICAL YIELD Grams of sodium carbonate used Moles of sodium carbonate used Grams of calcium chloride used Moles of calcium chloride used Moles of precipitate expected Theoretical yield of precipitate in grams Actual yield of precipitate in grams Percent yield 5.6 Show detailed work for percent yield. Page 4 of 4 Chem 143 - Lab Pre-lab Exercise Show the details of each calculation to get full credit 1. Magnesium oxide, a white powdery...
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