percent by mass

Q: What is the percent composition of oxygen in AuSO4?

A:

Q: The percent by mass of cobalt(III) in Co(CN)3 is

A: Given the complex,Co(CN)3 The mass of the complex=136.9853 g/mol The mass of Co(III)=58.9332 g/mol.…

Q: Heart disease is linked to high blood cholesterollevels. What is the percent composition of…

A: Percentage composition of each element defines the amount of that particular element present with…

Q: How many formula units of CaCO3 are contained in 350. g CaCO3?

A: The given data contains, mass of CaCO3 = 350 g

Q: Calculate the percent composition by mass of cach element in AIKOH),. Use at least three significant…

A: Following are the atomic masses of the atoms in Al(OH)3: atomic mass:Al = 27 g/molO = 16 g/molH = 1…

Q: What is the percent by mass of lithium in Li,O?

A: Percent by mass = (mass of Li/mass of Li2O) × 100%

Q: Calculate the mass (in g) of sample. 1 water molecule

A: Given, 1 water molecule

Q: 3.4.3 Determine the empirical formula of a compound that has the following composition: 92.3 percent…

A: The reduced ratio of the elements in a compound is represented by the empirical formula of the…

Q: What is the average mass (in amu) of:a. Hg b. Kr c. Mg

A: The average atomic mass of an element is the average weight of all the isotopes of that element,…

Q: The percent by mass of manganese(II) in MnSO3 is %.

A:

Q: Determine the percent composition of silicic acid. The chemical formula is H4O4Si.

A: Percentage composition is calculated by dividing the mass of single element with molecular mass of…

Q: 3) What kind of formular is C,H,O2 consider as? A) Empirical formula B) Moleculr formula C)…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solve first question…

Q: hat is the percent composition by mass of copper in 80.0kg of copper (ii) phosphate

A: To calculate the percent composition by mass of copper in 80.0kg of copper (ii) phosphate.

Q: what is the percent by mass of oxygen in citric acid? (MM=192.12 g/mol)

A:

Q: 8. Which of thollowing could NOT be an empirical formula? CUSO4 5H2O O A2O3 O C2H6 O H;PO4

A: Empirical formula: Empirical formula is defined as the  simplest, positive, whole number ratio of…

Q: Run 2: Initial grams of NaHCO3 Theoretical Percent yie

A:

Q: What's the percentage by mass of Cl in MgCl2 if it  is 24.6% Mg by mass?

A: Intrdouction : %age by mass of Mg = 24.6%

Q: What is the percent (by mass) water CaSO4.2H22O?

A: Here, we have calculate % by mass of H2O in CaSO4.2H2O.

Q: 2.49E-1 moles of nitrogen is equivalent to how many molecules?

A: 1 mole of any substance (atoms, molecules or ions) contains Avogadro's  number of atoms, molecules…

Q: What is the percent composition of caffeine (C8H10N4O2)?

A: Given :- chemical formula of caffeine = C8H10N4O2  To calculate :- percent composition of each…

Q: 43.5 mol of P010 contains how many moles of P? mol P

A:

Q: Copper(I) iodide (CuI) is often added to table salt as a dietary source of iodine. How many moles of…

A: The mixture containing 0.0100% CuI by mass indicates the 0.0100g of CuI is added to 99.9g of table…

Q: The formula of ibuprofen (Advil®) is C13H18O2 (molar mass = 200.29 g/mol). How many moles of…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Assume vit K1 makes up 0.052% ( by mass) of cilantro. How many moles of vit K1 is there in your…

A: Vit K1 makes up 0.052% (by mass) of cilantro. 1 tsp of cilantro is used here and volume of 1 tsp is…

Q: at is the percent composition of chloroform, CHC1, a substance e used as an anesthetic? (C:…

A: Given molecular formula of chloroform CHCl3. To find out the % composition of C, H , Cl. Atomic mass…

Q: What is the Percent of composition of Ethylene glycol?   molar mass = 62.048

A: Ethylene  glycol- Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound with the…

Q: Given 11.6g of LigPO4. Calculate the following The molar mass of LigPO, in g/mol [Select] Number of…

A: Given: Mass of Li3PO4 = 11.6 g

Q: The empirical formula of an organic compound with the following percent composition: 54.6 % C, 9.15%…

A:

Q: molar mass of of K3[Fe(C2O4)3].3H2O

A:

Q: Ihave 15.005 mg of NaOH. How many atoms do I have? (2 sig fig)

A: Given, Mass of NaOH = 15.005mg

Q: What is the percent Xenon in Xe(OH),? Show your work.

A: Data: The molar mass of Xe(OH)2= 165.307 g/mol The mass of Xe= 131.293 g To find: The percent of…

Q: What is the percent composition of CCl4?

A:

Q: What is the percent composition by mass (to one decimal place) of Oxygen and hydrogen in 1 mol of…

A: The mass of 1 mol of atoms is called atomic mass For example :-  Atomic mass of H = 1.0 g/mol Atomic…

Q: Aspirin, C9H8O4, is a common pain reliever and is also often given in low doses daily for prevention…

A: Given :- number of moles of aspirin (C9H8O4) in sample = 0.0745 mol  To calculate :- mass of aspirin…

Q: The percent by mass of cobalt(III) in CoI3 is %.

A: Compound = CoI3 Molar mass of Co = 59.0g/mol Molar mass of I = 127g/mol Molar mass of CoI3 =…

Q: Determine the percent ammonia, NH3, in Co(NH3)6Cl3.

A: In Co(NH3)6Cl3, 6NH3 are there.  Molar mass of 6 NH3 = 6x17.04 = 102.24 g/mol Molar mass of…

Q: is the mass of each component? s of CH,O : g CH,O s of water: g H,O

A:

Q: Calculate the percent water (by mass) in iron (II) iodide tetrahydrate, Fel2-4H2O

A: The compound given is FeI2.4H2O. Assuming 1 mole of FeI2.4H2O. Molar mass of FeI2.4H2O = Atomic mass…

Q: A Chlorin oxide is 59.7 % by mass Cl. What is the empirical formula of the ?oxide CI02

A: The compound is an oxide of chlorine. The percent mass of chlorine in the compound is 59.7 %. The…

Q: Gypsum is the hydrate of calcium sulfate, CaSO4 2 H20. It is the primary material in sheet rock,…

A: Heating of gypsum

Q: e molarity of t

A:

Q: Determine the percent ammonia, NH3, in Co(NH3)6Cl3, to three significant figures.

A: Calculation of molar mass of the given compound: Molar…

Q: Calculate the percent oxygen by mass in disilicon trioxide(Si2O3) to 3 significant figures.

A: Molar mass of O = 15.999 g/mol.Molar mass of Si2O3 = 104.168 g/mol.

Q: The percent by mass of chromium(II) in CrO is __________________ %

A:

Q: What is the percent composition by mass (to one decimal place) of copper in 80.0 kg of copper (2)…

A: Molar mass of Copper(II) pho sphate = 380.58 g/mol This implies; 380.58 g of Cu3(PO4)2 contains…

Q: The percent by mass of copper(II) in Cu3(PO4)2 is %.

A: Introduction- The mass percent of any element is calculated by the ratio of mass of the element in…

Q: Calculate the percent composition of titin. C169723H270646O52243S912

A: We have to find out the percent composition of each element in titin in the given formula…

Q: What is the number of formula units in a 5.085.08 mol sample of FeCl3FeCl3?

A:

Q: The percent by mass of bromine in SiCl2Br2 is

A:

Q: How many moles of water. Hz0, contain 3.40 x 10 "molecules of water?

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".