(01) 1) What is the amount of substance in moles in 12 g of magnesium (Mg) 2) What is the amount of substance in moles in 10 g of calcium carbonate (CaCO3)? 3) How many molecules are there in 5 mol of carbon dioxide (CO2) ? 4) How many water molecules are present in 4 mol of water (H2O) ? 5) What is the mass of 2 mol of urea (CO(NH2)2) ?

Q: Iodine is prepared both in the laboratory and commercially by adding Cl, (g) to an aqueous solution…

A: The given reaction is : 2NaI(aq) + Cl2(g)→I2(g) +2NaCl(aq) Mass of I2 produced = 23.6 g

Q: Below is the balanced equation for the neutralization of aqueous nitric acid with aqueous sodium…

A: Neutralization :- The reaction of acid with base to form salt and water is known as neutralization…

Q: Quéstion 1.a of 8 Consider the chemical reaction that takes place between aqueous iron(III) nitrate…

A: For balancing the reaction, number of atom in reactant should be equal to number of that atom in…

Q: As of 2018, ~95% of hydrogen is produced from fossil fuels. One of the most important reactions of…

A: Consider the given reaction is as follows; CH4 g   +   H2Og    →    COg   +    3 H2 g Given…

Q: Calculate the number of moles in each of the following samples: 10) 3.69 x 1024 atoms of uranium, U…

A: Given samples: 3.69×1024 atoms of uranium, U 7.54×1023 molecules of H2O 76.9 g of BaSO4 146.2 g of…

Q: 0.25 mol Fe2(CO3)3 contains___mol carbonate ions

A: The given data: The moles of Fe2(CO3)3 = 0.25 moles To determine = The moles of carbonate ions

Q: A particular protein sample is found to have 1 atom of iron in its chemical formula. If the mass…

A: Number of iron atom = 1 Mass percent of  Fe in the compound = 0.330 %

Q: A student reacts 3.4 moles of aluminum with excess water according to the following equation: 2…

A: Here Low mole of reactant is Limiting veagenr, That willproduce maximum moles of product2 md al…

Q: 17) Barium sulfate is an insoluble ionic compound swallowed by patients before having an X-ray of…

A: Balancing a Chemical Equation:-  In a  balanced chemical equation, the number of each atom on the…

Q: Given the balanced equation, Na2SO4(aq) + BaCl2(aq) --> 2 NaCl(aq) + BaSO4(s), how many miles of…

A: Sodium chloride reacts with barium chloride from the precipitate of barium sulfate and the aqueous…

Q: A student was asked to react silver nitrate with sodium during a stoichiometry lab. The student…

A: Given reaction: Na2SO4(aq) + 2 AgNO3 (aq) → Ag2SO4(s) + 2 NaNO3(aq) The mass of silver nitrate taken…

Q: 5. Here is the equation for the reaction between sodium metal and chlorine gas: 2Na + Cl2 2NaCl This…

A: Since you asked question number 5 so, as per Q&A guidelines of portal I solve question 5 for…

Q: Balance the following chemical equation:   _____ Al4C3  + ______ H2O------> ______  Al(OH)3…

A: Given that, we have to balance the given equation by filling the blanks with suitable stoichiometric…

Q: Xanthotoxin, a photosensitizer compound found in parsnips, contains only C, H, and O. Combustion of…

A: Given,

Q: balance equations  H2O2 (aq)→ H2O(l) + O2(g) Mg(s) + O2(g) → MgO(s)

A:

Q: How many total moles of ions are in an aqueous solution that has 1.25 moles of Al2(SO4)3 dissolved…

A: The dissolution of aluminum sulfate takes place as follows. The stoichiometry of the above equation…

Q: Calcium carbonate (CaCO3) is a common ingredient in antacids. It works by neutralizing the…

A:

Q: The synthesis of maleic acid anhydride (C„H2O3) can be accomplished by reacting benzene (CHs) and…

A: According to the balanced chemical equation for 100% yield, 2 moles of maleic anhydride requires 2…

Q: When the following net ionic equation is properly balanced, what are the coefficients for Cu, NO3–,…

A:

Q: QUESTION#1: Advanced Material TOPIC NAME Setting up a reaction table Suppose a 250. mL flask is…

A: Equilibrium can be defined as a dynamic state in which reactants react to form products and certain…

Q: Question 5

A: Given,Chalcopyrite is CuFeS2. In 1 mole of chalcopyrite, there is 1 mole of Cu.The percentage of…

Q: The following reaction can be used to convert carbon dioxide to oxygen gas. 4 KO₂ (s) + 2 CO₂(g) → 2…

A: Given -> 4KO2(s) + 2CO2(g) -----> 2K2CO3(s) + 3O2(g)  Weight of KO3 = 0.838 gm  Percent yield=…

Q: Preparing 0.1 M sodium hydroxide (NaOH) solution Sodium hydroxide pellets (g) Dilution volume (mL)|…

A: Molarity is defined as the number of moles of solute present in one liter of solution.

Q: Using the balanced chemical equation of the previous question, if you start with 0.500 moles of Na…

A: we have to calculate the moles of NaF formed

Q: O A. 9.3 moles O B. 42 moles OC. 56 moles O D. none of these O E. 14 moles OF. 19 moles O G. 84…

A: From balanced reaction , 1 mol Co3(PO4)2 required = 2 mol Na3PO4  14 moles Co3(PO4)2 required = 2 ×…

Q: Balance the following equations Al(s) + HBr(aq)   à    AlBr3(aq)       +    H2(g)   C4H10(g) +…

A: Al(s) + HBr(aq)   à    AlBr3(aq)       +    H2(g) balance bromine, multiply HBr by 3 so hydrogen…

Q: How many moles are there in 101 g of Hexane (CeH,)? 0.85 O 1.17 O 2.02 O 0.50

A: Given, Mass of hexane = 101 g To calculate the number of moles.

Q: Aqueous FeCl3 and zinc will react according to the equation: 2 FeCl3 (aq) + 3 Zn (s) --> 2 Fe (s) +…

A: Given :-  2 FeCl3(aq) + 3Zn(s)-->2Fe(s) + 3ZnCl2 (aq)  no.of moles of FeCl3 = 15 mol  To…

Q: Sodium hypochlorite (NaClO) is the active ingredient in bleaching agents. What is the percentage…

A: To calculate percent composition of chlorine , we would use formula  % Chlorine =Molar mass of…

Q: Iron(II) sulfate, FeSO4FeSO4, is prescribed for the treatment of anemia. How many moles of…

A: Given, amount of FeSO4 =310 mg =0.31 gramMolar mass of FeSO4 =151.9  gmolwe are asked to calculate…

Q: 4. Use the below reaction for the following question: NaOH + HCl Nacl + H20 During the…

A:

Q: (a) The percent composition of an unknown substance is 46.77% C, 18.32% O, 25.67% N, and 9.24% H.…

A: Dear student since you have posted multiple questions. As per BARTLEBY QnA guidelines we are allowed…

Q: What is 5 moles of salt + 3 moles of sugar ?

A:

Q: If you have 8.26 grams of sodium bicarbonate, NaHCO3, and you need a 1.00:6.98 mole ratio of…

A: Given- Weight of sodium bicarbonate= 8.26 gram  Mole ratio of NaHCO3:Na2CO3.H2O=1.00:6.98

Q: 4.529 g of antimony (III) sulfate and 13.98 g of lead (II) chlorate are reacted together. How much…

A: Given, Antimony (lll) sulfate, Sb2(SO4)3 = 4.529 g Lead (II) chlorate , Pb(ClO3)2= 13.98 g

Q: Please answer these questions on your Page 6 (a) The percent composition of an unknown substance is…

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Q: What are the coefficients for this reaction when it is balanced correctly? (Information in photo)

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Q: 1. Calculate the formula weights of the following substances: (a) BaCl, (b) KHC,0,

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Q: An acid, HEI, is formed from a hypothetical element, El, and a subsequent aqueous solution is…

A:

Q: A Compound contains only Carbon, hydrogen ! Oxygen. Combustion of 7.309 of the compound yields 10-4…

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Q: How many hydrogen atoms are in 0.1488 g of phosphoric acid , H,PO,? STARTING AMOUNT ADD FACTOR…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Please answer these questions on your Page 6 (a) The percent composition of an unknown substance is…

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Q: 4 HCI (aq) + MnO2 (s) → MnCl2 (aq) + 2 H,O (g) + Cl, (g) Chlorine gas can be made in the lab by the…

A: Here Multiple question are given .