1. How many grams of Cu2+ are present in 3.29 grams of copper(II) carbonate? 1.692 ]grams Cu2+. 2. How many grams of copper(II) carbonate contain 3.26 grams of Cu2+? grams copper(II) carbonate.

Q: 3,11 A. How many moles of FeSO4 are present in a 260 mg tablet? B. How many iron(II) ions?

A: Formula used: Number of moles=Given massMolar mass Number of atoms/molecules/ions=number of…

Q: 1. What is the mass in grams of 0.250 moles of Magnesium Sulfate (M9SO4)? 2. How many particles are…

A: “Since you have asked multiple question, we will solve the first three questions for you. If you…

Q: Compound Weight (in grams) Molecular Weight Barium hydroxide 10 171.34 g/mol Sodium chloride 25…

A:

Q: A.How many grams of chromium(III) oxide, , are present in 2.46 moles of this compound? grams_____…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: 1. How many GRAMS of boron are present in 1.31 moles of boron trifluoride ? grams. 2. How many MOLES…

A: Given: The number of moles of boron trifluoride is 1.31 moles. The chemical formula of boron…

Q: (a) Calculate the molar mass of ammonium nitrate, NH4NO3. (b) What is the mass percent of nitrogen…

A: (a) Molar mass of a molecule = sum of atomic masses of all the constituent elements      Molar mass…

Q: 1) What is the molar mass of iron (III) sulfate: Fe2(SO4)3? Enter your answer to two decimal…

A: The molar mass of a compound can be calculated by adding the each individual elements mass. If more…

Q: A particular brand of beef jerky contains 0.0552% sodium nitrite by mass and is sold in an 8.00-oz…

A: The concentration of any solution can be shown by either expressing its molarity, molality,…

Q: How many grams of magnesium iodide, MgI2, are present in 4.14 moles of this compound?  grams How…

A: Molar mass of Magnesium Iodide is 278.1139 g/mol .

Q: How many grams of Pb2+ are presented in 2.65 grams of lead (II) nitrate?  How many grams of lead…

A: a) Pb2+ are presented in 2.65 grams of lead (II) nitrate = 1.66 gram b) grams of lead (II) nitrate…

Q: The moles of Glucose (C6H12O6) in 18 grams of Sucrose is 342 0.1 0.01 34.2

A:

Q: Item 3 3 of 25 Part B Calculate the molar mass for MngO4, an oxide of manganese. Express your answer…

A: Trimanganese tetroxide Mn3O4- This compound is the oxide of Manganese. It is called Hausmannite. It…

Q: 1.) Iron (II) sulfate, FeSO4, is prescribed for the treatment of anemia. a.) How many moles of…

A: Mole is defined as the ratio of given mass and molar mass. The unit of mole is mol. It is utilized…

Q: 41.  0.8 moles of ferrous phosphate contains how many oxygen atoms?   A. 3.2 x 1024      B.…

A:

Q: A sunscreen preparation contains 2.50% benzyl salicylate by mass. If a tube contains 4.0 oz of…

A: 1 tube of sunscreen contains = 4oz Mass of benzyl salicylate = 2.5 % by mass

Q: Calculate the percent by mass of each element in the following compounds to one decimal place.…

A:

Q: How many formula units make up 20.0 gg of magnesium chloride (MgCl2MgCl2)?

A: Given, Mass of MgCl2 = 20.0 g

Q: Ammonium nitrate (NH4NO3) is a common fertilizer. Agronomists base the effectiveness of fertilizers…

A: 1) The mass percent of nitrogen in ammonium nitrate has to be calculated.

Q: A) How many grams of Mgl, is present in a 0.4745 g sample that is 53.21% Mgl2 (278.11 g/mol)? B)…

A:

Q: MOLAR VIEW T03/S11 If a sample of (NH4)2HPO4 is found to contain 3.79 mol of NH4* ions how many…

A: The reaction can be written as follows: (NH4)2HPO4→2NH4++HPO42-

Q: 1. How many MOLES of dioxygen difluoride are present in 1.20 grams of this compound ? moles. 2. How…

A: 1 mole = 6.022×1023 [Avogadro's number]  The mass of one mole of molecules of a substance is called…

Q: 1. How many grams of Fe2* are present in 1.28 grams of iron(II) carbonate? grams Fe2+ 2. How many…

A:

Q: Mass of BaCl2•nH2O (g)

A: In gaseous state the BaCl2•2H2O exists with structure

Q: ZnCO3(aq.) + Cu(s) ---> CuCO3(aq.) + Zn(s)  How many grams of zinc can be produced from 2.3 moles…

A: According to reaction, 1 mole of Cu gives 1 mole of zinc.

Q: (MC) Express the following in moles: 8.8 g K2CO3

A: Given : 8.8 g of K2CO3 Molecular weight of K2CO3 = 138.2 grams

Q: Write a balanced equation: K2S2O3 + I2 -------> K2S4O6 + KI

A: Balancing a chemical equation is balancing all the atoms on both ends of a chemical reaction.

Q: A cylinder of nitrogen gas (N2) weighs 550 grams. How many moles of nitrogen are present in the…

A: Molar mass of N2 = 28.0 g/ mol

Q: Ethanol has a molecular formula of CH3CH2OH. a.    What is the molar mass of ethanol? b.    What is…

A:

Q: Concentrated sulfuric acid contains 96.5% w/w H2SO4 in water. If the SG of concentrated H2SO4 is…

A: Given, Specific gravity - 1.84 Volume of the solution - 150 mL Concentration of H2SO4 - 96.5%(w/w)

Q: 1. a. How many grams of barium nitrite, , are present in 4.62 moles of this compound? grams b. How…

A: 1. a) Given : Moles of compound barium nitrite i.e Ba(NO2)2 = 4.62 mol.

Q: 1. How many grams of Mg are present in 4.04 grams of magnesium phosphate? grams Mgt. Mg²",

A: Given: Mass of magnesium phosphate (Mg3(PO4)2) = 4.04 g Molar mass of magnesium phosphate = 262.8582…

Q: How many moles of sucrose, C12H22O11, are in a 25-g sample of sucrose?

A: The atomic mass of , C = 12                                    H = 1…

Q: 1. How many grams of Fe" are present in 3.42 grams of iron(II) sulfide? grams Fe2+. 2. How many…

A: Molecular weight of iron(II) sulphide, FeS2 = 56 g/mol + (2 x 32g/mol)…

Q: How many moles of nitrite ions are present in a sample that contains 2.81 moles of copper(II)…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 1. How many grams of Co3+ are present in 1.78 grams of cobalt(III) carbonate? grams Co3+. 2. How…

A: 1) given, Chemical formula of cobalt (III) carbonate = Co2(CO3)3 Mass of cobalt (III) carbonate  =…

Q: 1. How many GRAMS of manganese(II) oxide are present in 2.43 moles of this compound ? ??? grams.…

A:

Q: How many MOLES of nitrogen trifluoride are present in 4.90 grams of this compound ? moles. How many…

A: 1. Given,  Mass of nitrogen trifluoride = 4.90 grams  Molar mass of nitrogen trifluoride = 71 g/mol…

Q: 1. How many grams of C are present in 3.05 grams of carbon tetrabromide ? grams C. 2. How many grams…

A: 1 mole = 6.022×1023 [Avogadro's number] The mass of one mole of atoms of an element is known as…

Q: A particular oral contraceptive contains 0.0445 mg ethynyl estradiol in each pill. The formula of…

A:

Q: How many molecules of dinitrogen monoxide are present in 4.63 moles of this compound?…

A:

Q: How many moles of MgCO3 are present in 252.939 grams of MgCO3?

A: Number of moles is given by the ratio of mass of the substance to that of the molar mass of the…

Q: Take Hg(l) + Br2(aq) 2Br^-(aq) + Hg2^+(aq) If 4.20 grams of Hg are consumed, how many grams of…

A: Calculation of mass of product formed using stoichiometry of a reaction:

Q: . How many MOLES of tetraphosphorus decaoxide are present in 2.77 grams of this compound ?…

A: Since you have asked multiple questions, we will solve the two sub-parts of the first question for…

Q: Ascorbic acid (CsH&Os) is also known as Vitamin C. What quantity in molecules of CH&Os does a…

A: we know, moles is defined as the mass divided by the molar mass => moles = mass / molar mass…

Q: An aspirin tablet contains 0.325g of C9H8O4. A) How many molecules of C9H8O4 does it contain? B)…

A: Given: Mass of C9H8O4 = 0.325 g.

Q: How many grams of C are present in 1.66 grams of carbon tetrachloride?  how many grams of carbon…

A: To calculate the mass of constituents present in a compound, we must have the molar mass of…

Q: How many grams of Fe3+ are present in 4.66 grams of iron(III) chromate?

A: The molecular formula of iron (iii) chromate Fe2(CrO4)3. Molar mass of iron (iii) chromate = 459.67…

Q: A 15.5 gram sample of diphosphorous pentoxide contains how many grams of phosphorous? a) 1.69 b)…

A:

Q: 1. How many grams of Mn2* are present in 1.53 grams of manganese(II) fluoride? |grams Mn²+. 2. How…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".