Percentage Composition Complete the table. Compound Chemical Formula Molar Mass % of Element required Ammonium sulfite     (H) Barium nitrate     (N) Copper (II) sulfate pentahydrate     (O)

Q: The atomic molar mass of some elements, as shown in the periodic table, is as follows. Atomic molar…

A: moles of calcium = 3.00 molAtomic molar mass of calcium = 40.08 g/molmass of calcium = ?

Q: calculate the mass of water that forms when 2.00 grams of hydrogen peroxide decompose. Molecular…

A:

Q: If 0. 274 moles of a substance weighs 62.5 g, what is the molar mass of the substance, in units of…

A: Given- Moles of substance =0.274 moles  Weight of substance= 62.5 g

Q: Write the chemical formula for 1 mol of compound X containing 2 mol Al and 3 mol O.   X= ?

A:

Q: Acetaminophen (pictured) is a popular nonaspirin, "over-the-counter" pain reliever. What is the mass…

A: Given,             AcetaminophenRequired,                   The mass % of each elements in…

Q: Molar Masses A = 12.98 D = 13.43– X = 22.40–2 E = 19.26 Z = 4.032 mole mole G = 16.42 mole mole A…

A: Answer:- This question is answered by using the simple concept of determination of empirical formula…

Q: Determine the theoretical yield of P2O5, when 3.07 g of P reacts with 6.09 g of oxygen in the…

A: As we know that , According to avogadro's law, "1 mole of every substance occupies 22.4 L at STP and…

Q: What is the number of formula units in a 8.12 mol sample of FeCl3

A: Formula unit is simply the empirical formula which determines the empirical formula of ionic and…

Q: Determine the molar mass of the hydrate CaCl2⋅2H2O.CaCl2⋅2H2O. molar mass:   g/mol

A:

Q: How many moles of carbon dioxide are contained in 53.7 g of CO2?

A: Since, Moles is the ratio of mass to the molar mass of the compound. Thus,

Q: What is the mass percent of bromine in lithium bromide?? 1.47.6% 2.52.4% 3.92.01% 4.7.99%…

A: Answer: option 3) 92.01 % is the mass percent of bromine in lithium bromide.

Q: 3.98 mgHgO

A: Mass of HgO = 3.98 mg    = 3.98 ×10-3 g Molar mass of HgO = 216 g/mol

Q: Complete the table below for calculating the molar mass of the compound carbon tetrachloride. Molar…

A: The complete table for the molar mass of the compound carbon tetrachloride is given below, 1mole of…

Q: Calculate the percent by mass of each element in HClO2.

A: Applying formula of percentage %of elements= (atomic weight of elements/molecular weight of…

Q: What type of reaction is represent by the equation: M83N2 + 3H2O → 3MgO + 2NH3

A: Applying concept of double displacement reaction.

Q: CALCULATIONS Answer the following in Question 1-2 involves the same process three different times.…

A: The objective of the first question is to convert the mass of NaHCO3 into moles. The molar mass of…

Q: Determine the mass of water vapor you would expect to form (and the percent yield) in the reaction…

A: NH3 reacts with excess oxygen to produce water and nitric oxide (NO). The equation for the balanced…

Q: What is the number of formula units in a 6.38 mol sample of NH4NO3 ? number of formula units:…

A:

Q: What is the maximum number of moles of Al203 that can be produced by the reaction of 0.40 mol of Al…

A:

Q: Write the balanced chemical equation for the reaction between calcium chloride and sodium carbonate…

A: given Write the balanced chemical equation  the reaction between calcium chloride and sodium…

Q: Formula Amount of Molar Mass of Amount of Samples units or molecules mass(g/mol) sample(g) atoms…

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: What is the empirical formula for this crystalline material? Ba

A:

Q: 8. A 10.00 g sample of a compound that consists of carbon and hydrogen is found to consist of 7.99 g…

A:

Q: What is the number of formula units in a 2.30 mole sample of FECl3

A:

Q: What information do we need to calculate the molarity of a sulfuric acid solution?

A: Given What information do we need to calculate the molarity of a sulfuric acid solution ?

Q: Sandwiches Suppose that the following ingredients are available to make meat and cheese sandwiches.…

A: Each sandwich requires two bread slices, one slice of cheese and one slice of meat.With the number…

Q: moles

A:

Q: What is the correct formulas and ratios of ions present when sodium carbonate is dissolved in water?

A: An ionic compound dissociate into ions when dissolved in polar solvent like water.

Q: What is the molar mass of    sodium g/mol magnesium g/mol

A: given  name of elements Sodium and magnesium to find  molar mass sodium and magnesium.

Q: Molarity is used to measure concentration in chemistry. What are the two units used that make up…

A: -> Molarity is number of moles present in one Litere of solution.                          (or)…

Q: Calculate the mass (in g) of sample. 1 glucose molecule (C6H12O6)

A:

Q: Magnesium Nitrate, Mg(NO3)2, is an example of an atom a molecular compound an ionic compound a…

A: Ionic compound:Ionic compound composed of cation which is positively charged (+charge) and an anion…

Q: How many moles of sodium azide (NaN3) are required to produce 0.23

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".