Aluminum sulfate is analyzed, and the sample contains  0.0667 moles of sulfate ions. How many moles of aluminum are in the sample?

Q: A particular antioxidant is 56.5% C, 5.7% H, and 37.7% O by mass.  Determine the empirical formula…

A: Let consider the mass for compound = 100 gram Therefore 100 gram compound contains., mass of carbon…

Q: 23.  Determine the number of atoms and the mass of zirconium, silicon, and oxygen found in 0.3384…

A: Avogadro’s number is the number of atoms or molecules present in one mole of substance. The value of…

Q: A compound consisting of B, N, and H undergoes elemental analysis. The % composition by mass is…

A: Given,Percent of B in the compound = 40.28 %Percent of N in the compound = 52.20 %Percent of H in…

Q: A block of pure magnesium metal weighs 76.9 grams. How many moles of magnesium are present in the…

A: Mole= mass of Mg / molar mass of Mg Given - 1) mass of Mg =76.9              2) Molar mass of Mg=…

Q: Answer the following questionsn related to the analysis of CaBr2. a.) A student has a 10.0 g sample…

A: Given, a) A student has a 10.0 g sample of CaBr2.  Show the setup of the calculation to determine…

Q: A compound contains 0.01492 moles of V and 0.03416 moles of Cl.  Calculate the ratio of moles of Cl…

A:

Q: Find the volume (in mL) occupied by a 4.3 sample of benzene. (The specific gravity of benzene is…

A: The specific gravity is the relative density of sample with the water. Specific gravity =density of…

Q: Define 1. Stoichiometry 2 Formula mass

A: Define  1. Stoichiometry  2 Formula mass

Q: In the preparation of brass, which is a copper-zinc alloy, 33.0 g copper is added to enough zinc to…

A:

Q: What amount in moles is 4.77x10^25 (to the power of 25) molecules?? 1.2.87x10^49 mol 2.79.2 mol…

A: Molecules = 4.77 x 1025

Q: Aluminum sulfate is analyzed, and the sample contains 0.0672 moles of sulfate ions. How many moles…

A: The formula of Aluminum sulfate is Al2(SO4)3.

Q: A compound has the following percentage composition by mass: copper; 33.88%; nitrogen, 14.94%;…

A: Given,Mass percentage of copper = 33.88%.Mass percentage of nitrogen = 14.94%.Mass percentage of…

Q: True or False? a molar ratio is used to convert the moles of starting substance to the moles of…

A: In any balanced chemical reaction, the coefficient of species are used to identify the relationship…

Q: Consider the chemical reaction N2 + 3H2 = 2NH3    If one begins with 0.25 mole N2  and excess…

A:

Q: Complete the table below for calculating the molar mass of the compound sulfur trioxide. S O Molar…

A:

Q: How many moles of sodium metal are needed to make one mole of the final produc N OH 1 H 2 H OH 3 H…

A: Generally sodium metal is used in  reduction reaction.

Q: A compound containing only carbon, hydrogen, and oxygen is analyzed using combustion analysis. When…

A: Given : mass of carbon dioxide produced = 0.711 g

Q: compound containing only carbon, hydrogen, and oxygen is analyzed using combustion analysis. When…

A: We know that mole of carbon will always equal to mole of Co2 in combustion reaction  We have to…

Q: A sample of naphthalene was analyzed in the laboratory and it was determined that the sample…

A: Number of moles (mol) = Given mass (g)Molar mass (g/mol)Given that:Number of moles= 0.457 molesMolar…

Q: Percent yields are generally calculated from mass quantities.Would the result be the same if mole…

A: Interpretation- To explain with reason for the result of calculating percent yield using mole…

Q: 5 g of hydrated barium chloride is heated in a crucible until the mass of the sample no longer…

A: Given: Mass of hydrated barium chloride = 5 g Mass of sample after heating = 4.26 g The loss of mass…

Q: explain why the number of atoms and moles are different when the volumes are nearly identical?

A: 1. The table contains the data required to solve this problem.

Q: An unknown organic compound contains 41.4 % carbon, 3.47 % hydrogen, and 55.1 % oxygen by mass. A…

A: Given data,Percentage of C=41.4%Percentage of H=3.47%Percentage of O=55.1%Moles of compound…

Q: how did the theoretical amount of sodium chloride compare to actual amounts produced in each…

A: Actual amount is the experimentally obtained amount and theoretical amount is the calculated amount.…

Q: What is the amount of H present in the original sample, in moles?

A: We have moles of H2O in the compound = 0.00610   (= Given mass of water (0.110 g) divided by the…

Q: A flask contains 0.200 mol of liquid bromine. Br2. Determine the number of bromine molecules present…

A:

Q: rue or False? A molar ratio is a ratio between the number of moles of any two components involved in…

A: The chemical equation depicts the arrangement of the reactants on the left side and the products on…

Q: Aluminum sulfate is analyzed, and the sample contains 0.0650 moles of sulfate ions. How many moles…

A:

Q: The empirical formula of a compound is CH. If the molar mass of the compound is 104.1g/mole, what is…

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

Q: Suppose a student starts with 2.4464 g of a sand mixture and separates the components into 1.3012 g…

A: According to the question, we had a sand mixture consisting of NaClNaCl, CaCO3CaCOX3, and SiO2SiOX2.…

Q: 7) Define stoichiometry. A) the concept that 6.02 x 1023 atoms are in 1 mole of an element B) the…

A: A) the concept that 6.02 X 1023 atoms are in 1 mole of an element is known as Avogadro's concept…

Q: Prince's metal, a form of brass which looks like gold, is a micture of copper and zinc. Prince's…

A: Here we have to determine the moles ratio of cu and zn in the prince's metal which is 75% of cupper…

Q: A 2.69 gram sample of a KCl and KClO3 mixture was found to contain 0.01268 mol of KClO3. What is the…

A: It is a problem based on general chemistry. Here we will find the percent of KClO3 in the mixture by…

Q: . Use the molar masses of the elements in the product to calculate the number of moles of…

A: Each chemical reaction occurs according to the stoichiometry of the reaction. Elements combine in a…

Q: An unknown organic compound contains 41.4% Carbon,3.47 Hydrogen ,55.1%Oxygen by mass .A 0.040 mol…

A: Introduction In order to derive the molecular formula of any particular compound, first, always…