Certainly! Here is a transcription of the content from the image:---### Question 18A compound has an elemental analysis of 49.4% K, 20.3% S, and 30.3% O by mass. What is the empirical formula?- A. K₂SO₄- B. K₂SO₂- C. K₂S₂O₃- D. K₂SO₄- E. K₂SO₃### Question 19Which of the following reactions will produce a precipitate (only the reactants are shown)? Select all that apply.- NaCl (aq) + KNO₃ (aq) →- NaCl (aq) + AgNO₃ (aq) →- Ca(ClO₄)₂ (aq) + Pb(NO₃)₂ (aq) →- NH₄I (aq) + NaCl (aq) →- K₃PO₄ (aq) + NaCl (aq) →---These questions are likely part of an assessment or practice exercise in a chemistry course, focusing on empirical formula determination and solubility rules to predict precipitate formation.

Answered: Image /qna-images/answer/5d6c0777-d377-4342-96fd-5341c3b3faff.jpg

QUESTION 18 A compound has an elemental analysis of 49.4% K, 20.3% S, and 30.3% O by mass. What is the empirical formula? OA. K2SO4 OB.K2S02 OCK2$203 OD. KS204 OE. K2SO3 QUESTION 19 ich of the following reactions will produce a precipitale (only the reactants are shown)? Selec NO3(aq) →

QUESTION 18 A compound has an elemental analysis of 49.4% K, 20.3% S, and 30.3% O by mass. What is the empirical formula? OA. K2SO4 OB.K2S02 OCK2$203 OD. KS204 OE. K2SO3 QUESTION 19 ich of the following reactions will produce a precipitale (only the reactants are shown)? Selec NO3(aq) →

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: The reaction of 15 moles carbon with 30 moles O2 will result in a theoretical yield of ___?___ moles…

A: Given, moles of Carbon (C) = 15 moles moles of Oxygen gas (O2) = 30 moles moles of Carbon dioxide…

Q: e mass o

Q: In the reaction (must balance it first): KCIO3 + HCI --> KCI + Cl2 + H2O how many grams of KCIO3 are…

Q: 12. Explain the stoichiometry (mole ratio of reactants) of this reaction. OH 3 + BH3 b. H2O2, OH

A: The given reaction is the hydroboration of but-2-ene. It is an oxidation reaction.

Q: The mass of AgCl that will be produced after adding excess AgNO3 to a 0.24g sample containing 50.6%…

A: We have to calculate the mass of AgCl produced.

Q: Nitrogen and hydrogen can react to make ammonia according to the following equation. N2 +3 H2 2 NH3…

A: The given reaction is - N2 + 3H2 → 2NH3 Commercially ammonia is synthesized by…

Q: mol It f have etng moles you which will be límiting reactant ? theck if its balance is not balane it…

Q: For the following reaction, 335 grams of iron are allowed to react with 96.0 grams of oxygen gas.…

Q: 53: Human cells obtain energy from a reaction called cellular respiration. Balance the skeletal…

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: 5. Evaluate the equations below. Which is NOT a balanced equation? A. Al203 + 6 HCl → 2 AlCl3 + 3…

Q: 3. Balance the following equations: a. H2+_O2→. H2O b. P4+_O2→ P2O3 С. N2+ H2→_NH3

Q: 47: Balance each chemical equation Na2S(aq) + Cu(NO3)2(aq) -> NaNO3(ag) + CuS(s) HCI(aq) + 02(g) ->…

A: For balancing a chemical equation, we have to balance each and every element present in the reaction…

Q: ➡Al2O3 + Fe NaNO2 + O₂ NH3 1. FeO + Al 2. NaNO3 3. N₂ + H₂ 4. Al + Fe(NO3)2 5. SO2 + H₂O 6. Mg(OH)2…

Q: 2Fe,0, + 30 → 4Fe + 3CO, When 9.20 moles of carbon dioxide are produced from the reaction above, how…

A: The answer to the following question is-

Q: 4 NH3 + 6 NO → 5 N2 + 6 H2O The reaction is carried out with 34.7 g of NH3 and 29.2 g of NO. a.…

Q: 65: Write a molecular equation for the precipitation reaction that occurs (if any) when each pair of…

A: 65. A general precipitation reaction occurs between sodium carbonate and lead(II) nitrate take place…

Q: II. Direction: Balance this chemical equation by applying the Law of Conservation of Mass. Balance…

Q: QUESTION 40 According to the following reaction, how many moles of aluminum bromide should form when…

Q: III. vii. vill Y" - y" —— Y Y MgBr U 2 КОН NH₂(0) only- HCI XOH 'OH NaN₂ DMF 1 NINH, Toso. se X y

Q: How many moles of Al are necessary to form 83.2 g of AIBr3 from this reaction: 2 Al(s) + 3 Br2(1) →…

Q: Phosphorus pentachloride reacts with water to form hydrochloric acid and phosphoric acid. How many…

A: As water is in excess so PCl5 is limiting reagent.

Q: Part 2: Use the following equation for questions 1-5 below... find the molar mass first. 2 C,H.O + 7…

Q: The theoretical yield of Mg(OH)2 when the reaction below was performed in the laboratory, was 5.45…

Q: 3. Is the following equation balanced? Explain your answer. N2 + H, NH3 -> Answer:

A: BALANCED REACTION The balance reaction for the given reaction is given below- N2 + 3H2 ----> 2NH3…

Q: 13. Use the equation below to answer the following questions: 2Ag(NO3)2(aq) + Cu (s) → 2 Ag (s) +…

A: Oxidation is defined as an increase in the oxidation state of the element.It can also be defined as…

Q: Question 32 Not yet answered Marked out of D Flag question Which equation is correctly balanced? 2Al…

Q: QUESTION 37 Which are spectator ions in the following aqueous reaction (remember that insoluble…

A: Spectator ion is a cation or anion that does not take part in the reaction and is present in the…

Q: 96. Methane gas (16 g, 1.0 mole) and oxygen gas (96 g, 3.0 moles) are reacted in a sealed container.…

Q: 4. Ethanol is produced industrially by the acid catalyzed reaction of ethylene with water. The…

Q: 1. 15.6 g of aluminum sulfide reacts with 10.0 g of water according to the reaction below: _Al₂S,…

A: first we have to balance the given equation

Q: The combustion of ammonia in the presence of excess oxygen yields NO2 and H2O: 4 NH3 (g) + 7 O2 (g)…

Q: 106 Chapter Three Stoichiometru 2 What are the moles of LIOH? To find the moles of LIOH, we need…

A: a.The number of moles of ferric carbonate is calculated as,

Q: Write the equation for the reaction associated with the K₁2 of sulfuric acid, H₂S K₂2: Write the…

A: we have to write the reaction associated with Ka2 of sulfuric acid and Kb2 carbonate ion

Q: QUESTION 37 Which are spectator ions in the following aqueous reaction (remember that insoluble…

Q: The mass of AgCl that will be produced after adding excess AGNO3 to a 0.24g sample containing 70.6%…

A: Given data, Mass of sample = 0.24 g 0.24 g sample contain 70.6% CaCl2

Q: The mass of AgCl that will be produced after adding excess AGNO, to a 0.24g sample containing 70.6%…

A: The question is based on the concept of reaction stoichiometry. We have to calculate mass of silver…

Q: Indicate how many atoms of each type of element are present on each side (i.e., on the reactant's…

Q: a Explain why this equation is not balanced correctly? b. Explain what mathematical operation should…

A: A balanced equation must have all the stoichiometric coefficients of reactants and products in the…

Q: 7. Consider the following reaction: Al(SO4),+ Na,PO, Na,SO, AIPO, If 2 moles of aluminum sulfate are…

A: Since the three different questions are given, we will solve only first question according to the…

Q: Balance the following chemical equations. _____ H3PO4 + _____ Na2CO3 → _____ Na3PO4 + _____ H2O +…

A: We have to balance the given reactions.

Q: Reactions Which drawing in the diagram shows a synthesis reaction? 1. O + 2. O + O 3. + 4. O 1 O 2 O…

A: Synthesis reaction is one of the most important type of reaction,In this reaction, two or more…

Q: 15- The reaction given below is not balanced. If 12 moles of nitrogen were produced in a reaction,…

Q: A reaction of 49.3 g of Na and 41.1 g of Br, yields 43.0 g of NaBr. What is the percent yield? 2…

A: The reaction is as follows: 2Na + Br2 --------->2NaBr. The mass of Na used in the reaction =…

Q: A mixture of CuS0,5 H,0 and MGSO,7 H,0 is heated until all the water is lost. If 3.02 g of the…

A: Mass of water lost = 3.02 - 1.85 = 1.17 g Therefore moles of water lost = 1.17 / molar mass of water…

Question

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

13. In the reaction 3Ca + Al2 (SO4)3 -> CaSO4+ 3 Al What mass of aluminum sulfate (342g/mol) reacts with 10 g Calcium?
1.0 chem q
II. BALANCE THE CHEMICAL EQUATION BELOW. 1. Al + AlCl, + H2 in reactanta in producta Atoma 2. Pb (NO,). + Nacl Pbcl, + NaNO, in reactanta in producta Atoma 3. Hg: (C:H>Oz) 2 + KCi Hg:Cl: + KC:H:02 En FRstanta LALOME in producta 4. N2H, + N2 + H:0 in reactanta Atoms in producta
For the following chemical reactions, how do I identify the number of moles of the compound in the third column that would be produced from the number of moles of compound in the second column assuming that all of the other reactants in the equation in the first column are in excess. Reaction Moles initially Moles produced N2 + 3H2 → 2 NH3 0.027 moles N2 a.______moles NH3 5 C + 2 SO2 →CS2 + 4 CO 3.80 moles C b._______moles CO 5 C + 2 SO2 →CS2 + 4 CO 6.7 moles C c._______moles CS2
Combining 0.224 mol F2O3 with excess carbon produced 18.9 g Fe. Fe2O3 + 3C = 2Fe + 3 CO What is the actual yield of iron in moles? Actual yield=_______ What is the theoretical yield of iron in moles? Theoretical yield=_______ What is the percent yield?
Complete and balance the equation for the reaction, where the reactants are in aqueous solution. ? Na₃PO₄ + ? Ba(NO₃)₂ → ? + ? Use no fractional coefficients. The number of moles and formula of the product containing Ba are A) Ba(PO₄)₂ B) BaPO₄ C) 3NaNO₃ D) Ba₃(PO₄)₂
a. Use the periodic table to write the formula (including the charge) for the simple ion formed by the element with atomic number 20. b. Use the periodic table to write the formula (including the charge) for the simple ion formed by the element with atomic number 17. c. Use the periodic table to write the formula (including the charge) for the simple ion formed by the element with atomic number 35.
Balance the following chemical equations
Write the word equatin of the following chemical equations and identify the type of reaction: 1. Zn + Br2 2. HNO2 + 3. ВаCla 4. Fe 5. Mg ZnBr2 + KNO3 + + BasO, + FeO КОН H20 NaCl NazSO4 + O2 HCI MgCl2 +H2
Which is not balanced? O C3H8 + 502 → 3CO2 + 4H2O O P4 + 6CI2 4PCI3 O 2AI 302 2A12O3 OK 2CO3 + 2 HNO3→ 2 KNO3 + H20 + CO2 O 2 AgNO3 + Fe → 2 Ag + Fe(NO3) 2
For the following reaction, 102 grams of aluminum oxide are allowed to react with 491 grams of sulfuric acid. Al2O3(s) + 3H2SO4(aq) ------> Al2(SO4)3(aq) + 3H2O(l) What is the FORMULA for the limitin reagent? _______What is the maximum amount of aluminum sulfate that can be formed? _______gramsWhat amount of the excess reagent remains after the reaction is complete? ______grams
A. TRUE OR FALSE. Write TRUE if the chemical equation is balanced and FALSE if not. Then, write the type of reaction. 1. C₂H16+11 0₂ →7 CO₂ + 8 H₂O 2. 10 HSiCl3 +15 H₂O → H10S10O15 + 25 HC1 3. 2 C₂H9 + 3 HNO3 → C7H6(NO2)3 + 3 H₂O 4. 4 NH3 +502 →4 NO + 6H₂O 5. SeCl6+02 → SeO₂ + 3 Cl₂ 6. 2 Na + Cl₂ → 2 NaCl 7. 2 NaBr + Cl₂ → 2 NaCl + 2 Br₂ 8. Zn+2 HCl → ZnCl₂ + H₂ 9. 2H₂O → 2H₂ + O₂ 10. V₂05 + 6 HCl → 2 VOCl3 + 4H₂O