der the balanced chemical reaction below. If 24.3 g of iron is produced when 50.0 g (III) oxide and 50.0 g of carbon monoxide react, what is the percentage yield of the on? Fe203(s) + 3 CO(g)→2 Fe(s) + 3 CO2(g)

Q: What is the mass in grams of 0.600 mol of glucose, C6H12O6?

A: Mole Mole is a quantity that represents a collection of 6.022×1023 atoms or molecules. The term…

Q: E 0.379 mol of Cr

A:

Q: If 6.750 grams of lithium carbonate was used in the reaction, how many grams of carbon dioxide would…

A: The equation for the decomposition of lithium carbonate is as follows. Li2CO3 → Li2O + CO2 This is a…

Q: Find the no. Of Fe+2 ion in 10 mole of Fe0.930 .

A: Since it is not mentioned how Fe is converting to Fe2+, I'm assuming that all of Fe is converting to…

Q: PRACTICE 7.5 What is the mass of 0.150 mol of Na SO4? PRACTICE 7.6 How many moles and molecules are…

A:

Q: 64 g of Na2SO4 • xH2O were heated to yield 2.84 g of Na2SO4 What is the value of x?

A: NOTE : I think it is 6.4 g because 64 g of Na2SO4•xH2O will yield much more than 2.84 g of Na2SO4…

Q: How many grams of Al2O3 can be made given 6.95 grams of Al?

A: Given, amount of Al = 6.95 grams.  We have to prepare Al2O3 from 6.95 grams of Al.

Q: 59. Determine the molecular weight of Ca(NO,)2

A: Solution- Formula =Ca(NO3)2. Molar mass Ca  =  40.00g/mol. Molar mass N  = 14.00g/mol. Molar mass O…

Q: How many grams of H3PO4 would be required to produce 3.5 moles of H2 2.) If 34 g of hydrogen are…

A: This problem will be solved by using stoichiometric ratio of the balanced chemical equation.  Given…

Q: Suppose a piece of silver jewelry contains 7.78×1022 atomsatoms of silver (AgAg).

A:

Q: Starting

A: We will calculate number of ions.

Q: What is the mass (in kg) of aluminum in 6.75×10^23 molecules of Al(C9H6ON)3? (MM Al = 26.98 g/mol)

A: Number of moles is calculated by dividing the given mass with molecular mass. In the given…

Q: Calculate the% of boron in borax (Na2B4O7.10H2O)

A: ANSWER

Q: 4.64 g of Na2SO4 • xH2O were heated to yield 2.84 g of Na2SO4 What is the value of x?

A: The decomposition reaction taking place on heating is  Na2SO4•xH2O ------> Na2SO4 + x H2O

Q: Calculate the number of atoms of glucose in 2.116 x 10-3 grams of glucose, C6H12O6. Hint: molar…

A: Given that, Grams of glucose in 2.116 x 10-3 g The molar mass of glucose (C6H12O6) as follows --- =…

Q: Phosphorus burns in air to produce a phosphorus oxide (P4O10) in the following reaction. If 0.489…

A: Moles of P = 0.489 mol Molar mass of O2 = 32 g/mol

Q: What mass of Ba(NO3)2 (261.34 g/mol) is needed to convert 2.33 g of NaIO3 (197.89 g/mol) to…

A: Barium nitrate react with sodium iodate and produced Ba(IO3)2

Q: How many moles of Sn are there in a sample of Sn that contains 2.38x10^24 atoms

A: Number of moles = Given no. of atoms/NA NA = Avogadro's number = 6.022 x 1023 Number of Sn atoms  =…

Q: An organic compound, which has the empirical formula C2H5 has an approximate molar mass of 145…

A:

Q: How many K+ ions are in a sample of K2O that has a mass of 132.1 g?

A: To calculate number of K+ ions. 1 mole of K2O =2 x 39 + 16 =94g. 94g of K2O =6.022 x 1023 molecules…

Q: What is the molar mass of H2SO4? (Molar mass of H = 1.0079 g/mol; S = 32.065 g/mol; O = 15.999…

A: 6.022×1023 = 1 mole = Avogadro Number Molar mass :-  The mass of one mole of atoms or molecules is…

Q: How much orygen is produced from 2.56 X 10 g HgO?

A: Number of moles = mass/molar mass  Mass = moles × molar mass  Molar mass of HgO = 216.59 g/mol…

Q: (2) How many moles of Cr are found in 1.00 × 102 g of K₂Cr₂O7? Molar mass of K₂Cr₂O7 is 294.19…

A: Given: Mass of K2Cr2O7 = 1.00 × 102 gMolar mass of K2Cr2O7 = 294.19 g/molRequired:Moles of Cr = ?

Q: What are the mass percent of elements in glucose, C6H1206?

A:

Q: Given the following reaction in the picture, what mass of hydrogen gas will be produced by the…

A: Given reaction: 3Fe(s) + 4H2O(g) → Fe3O4(s) + 4H2(g) We have to find the mass of hydrogen gas that…

Q: One mole of which substance contains a total of 6.02 x 10 to the power of 23 atoms? A) Li B) NH3 C)…

A: This question is based on the mole concept principle. In this question,  we have to calculate the…

Q: 3 g of a hydrated metal chromate is heated only 1.479 g of anhydrous metal chromate remains.  What…

A: Some salts are found in their hydrated form. In hydrated form, water is coordinated with the salts.…

Q: Part 1: How much FeO is produced starting with 1.10 g FeS and 0.560 moles of H2CO3 if the reaction…

A: Answer: This question is based on the concept of limiting reagent. Limiting reagent is the reactant…

Q: 5.00 grams of a sample of hydrated PtCl4 are heated and lose 1.50 grams of water. How many moles of…

A:

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A:

Q: An alloy consists of 240.03 grams of copper and 0.839 kilograms of gold. If the atomic weights of Cu…

A: First calculate the mole of both metal in alloy than for mole percentage of copper  take ratio of…

Q: 4) Ozone, O3, is a product in automobile exhaust by the equation NO2(g) + O2(g) → NO(g) + O3(9).…

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

Q: What mass of CdS is produced if 8.47 g cadmium reacts with 2.51 g of sulfur?

A:

Q: Aluminum reacts with Cl₂ to form AICI3. If you have 0.712 mol of Al, what amount (mol) of Cl₂ is…

A: The unbalanced chemical equation is: Al + Cl2 → AlCl3  Amount of Al initially taken = 0.712 mol…

Q: 2. Determine the number of protons contained in particle of protons having a mass of 5.019 x 10*…

A: Interpretation-  To determine the number of proton contained in the particle of proton having mass…

Q: 7. Balance the following equations: a) For the synthesis of urea, a common fertilizer CO2(g) +…

A: Balancing of reactions

Q: For the reaction 2KI+Pb (NO3)2 ⟶ PbI2 + 2KNO3 how many grams of lead(II) iodide, PbI2, are produced…

A: From the balanced equation: Number of moles of PbI2 formed =  moles of KI/2 Given that: Mass of KI =…

Q: How many grams of P are present in 2.92 grams of phosphorus triiodide ?

A: Molar mass of phosphorus triiodide (PI3) = 411.6872 g/mole Number of moles of phosphorus triiodide…

Q: How much does 2.1 moles of calcium hydroxide weigh in grams?

A:

Q: moles

A:

Q: how many moles of S are needed to combine with 0.225 mol Al to give Al2S3?

A: The formula of Aluminium sulphide is Al2S3The balanced equation:

Q: What is the total number of carbon atoms on the right-hand side of this chemical equation?…

A: To answer this question we need to count the total number of atoms of carbon (i.e.- "C") on the…

Q: How many grams of O2 is required for combustion of 480 grams of Mg? Find the mass of “MGO” formed in…

A:

Q: mass in grams, of 0.175 mol of sucrose (C12H22O11)

A: Given that moles of sucrose = 0.175 mol, molar mass= 342.3 g/mol [The molar mass can be calculated…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.