18. Calculate the number of grams in each of the following (a) 4.25 x 10mol H,SO, (b) 4.5 x 1022 molecules CCI, (c) 0.00255 mol Ti (d) 1.5 x 1016 atoms S g:

Q: Silicon reacts with sulfur at elevated temperatures. If 0.0923 g of silicon reacts with sulfur to…

A:

Q: A leak in the air conditioning system of an older car releases55 g of CF2Cl2 per month. How much Cl…

A: The given data contains, mass of CF2Cl2 = 55 g.

Q: Consider the balanced reaction of magnesium and oxygen. 2 Mg + O2 → 2 MgO What mass, in grams, of…

A: Answer :- 2.17 g MgO The mass of MgO produced from 1.31 g of Mg and 2.88 g of O2 = 2.17 g…

Q: 2. How many grams of NH3 will be produced from 25.7 moles N2?

A: NH3 is produced from N2 and H2 by haber's process. As shown, this reaction is showing that 2 moles…

Q: 19- by heating 2.86 g of hydrated sample of washing soda Na,CO3.XH20, till Complete drying the…

A: This reaction is all about the  conversion of hydrous salt into anhydrous salt by applying heat to…

Q: + 7 02 → 4 CO, + 6 H,0

A: Balancing a reaction means the number of each type of atoms must be same on left and right hand side…

Q: If 4.1 g of Cr is heated with 9.3 g of Cl2 what mass CrCl3 will be produced?

A: Mass of Cr = 4.1 g Mass of Cl2 = 9.3 g The molar mass of Cr = 52 g/mol The molar mass of Cl2 =71…

Q: It is well known that air consists of 21 mol O, and 79 mol N, Calculate the average molecular weight…

A: Given : Air contains 21 moles of O2 and 79 moles of N2. Molar mass of O2 = 32 g/mol. And molar mass…

Q: If 91.0 g of oxalic acid and 79.0 g of methanol react to form 89.0 g of dimethyl oxalate, what is…

A:

Q: Calculate the mass in grams of iodine (I2) that will reactcompletely with 20.4 g of aluminum (Al) to…

A: Given data contains, Mass of aluminum is 20.4 g.

Q: Assuming one mole of compound, calculate the theoretical percentage composition of P₂O3. O P: 56.4%…

A:

Q: In the following How many N atoms How many H atoms How many Cr atoms How many O atoms (NH4)½C12O7

A: The number of N, H, Cr and O atoms in the given compound has to be identified.

Q: When the follow equation is balanced, what coefficient would fall before the formula "HI"? HI +…

A: The given reaction is, HI + H2SO4 → H2S + I2 + H2O.

Q: Chemical analysis shows that the oxygen-carryingprotein hemoglobin is 0.34 percent Fe by mass. What…

A: Heamoglobin is a protien for oxygen transport . The heam group in Hb is Fe metal. Binding of oxygen…

Q: Given the reaction, how many moles of ZZ will be produced from 1.60 mol A, 1.60 mol A, assuming…

A: For the given reaction :

Q: What is the mass percentage of C in codeine, C₁₈H₂₁NO₃? Provide an answer to two decimal places.

A:

Q: How many moles of manganomanganic oxide will react with 5.33 x 10^25 atoms of aluminum?

A: To solve such questions, prior knowledge of the mole concept and chemical equations is necessary.…

Q: What mass of CO is required to react with 651 g of Fe2O3 ?

A: The balanced chemical equation for the given reaction is,

Q: B. How many moles of manganomanganic oxide will react with 5.33 x 1025 atoms of aluminum?

A: The balanced Chemical equation given - 3Mn3O4 + 8Al -----> 4Al2O3 + 9Mn   One mole of aluminum =…

Q: The US environmental protection agency places limits on the quantities of toxic substances that may…

A: Given: Amount of hexavalent chromium= 0.50 mg/L. Mass of hexavalent chromium = 0.50 mg Volume of…

Q: What is the lowest possible coefficient of hydrofluoric acid in the balanced chemical equation…

A: The balanced chemical equation for the reaction of sulfur tetrafluoride with water to produce…

Q: How many grams of alum will form if 0.3812 g of Al reacts completely?

A: Given, Mass of aluminum, Al = 0.3812g. The reaction of formation of alum from aluminum is as…

Q: s the mass % of NaHCO3 present in a solid sample weighing 1.5172 g. 50M HCi

A:

Q: (b) What mass of Na,AlO, can be formed from 165.0 g of NaOH?

A:

Q: (Mass of crucible is 24.98g. The mass of the cover is 11.36g. The mass of the crucible, cover, and…

A: The mass % is equal to the ratio of the mass of the substance to the total mass multiplied by 100.…

Q: How many moles of Fe304 are required to supply enough iron to prepare 0.650 mol Fe203? mol Fe304

A: Given: Moles of Fe2O3 = 0.650 mol.

Q: Use your average AA concentration to calculate the mass percent of acetic acid in vinegar.

A: Mass percent = Mass of soluteMass of sample×100 Here solute is acetic acid and the sample is…

Q: The first inert gas compound to be synthesized was XePtF What is the percentage of fluorine in the…

A: inert gas compound are those compound which are combined with inert gases and forms products.

Q: Given the following set of experimental data for determination of the number of water molecules in a…

A:

Q: A 100 mg sample of Epsomite (MgSO4·7H2O) was heated in a crucible. After cooling to room…

A: It is given that:Mass of Epsomite (MgSO4.7H2O) = 100 mgMass of anhydrous salt (MgSO4) = 49 mg

Q: In the chemical equation: Fe203(s) + 2 AI(s) --> 2 Fe(l) + Al20(s) the (I) means O a. solid O b.…

A:

Q: 1. How many moles of sulfur will you need to react with 1.42 moles of iron? Given the following…

A:

Q: Calculate the mass percent of H2O2

A: To solve this problem first we calculate the mass of Hydrogen peroxide .then mass Percent is…

Q: • What mass of carbon dioxide is emitted by an automobile per 5.0 x 102 g pure octane used?

A:

Q: The chemical analysis of a binary hydrate shows that it is composed of 27.76% Mn, 35.82% Cl and…

A: Calculating empirical formula:

Q: How many moles of CCL4 are present in 7.65 X 1045 molecules of the compound? W mass of this amount…

A: Given: The number of molecules of CCl4 is 7.65×1045. The number of moles and mass of CCl4 is to be…

Q: A Group 2 metal with an electron configuration of [Ne]3s2 combines with fluorine (F2) to produce a…

A:

Q: The density of phosphoric acid (H3PO4) is 1.885 g/cm². How many moles are present in 0.245 L of…

A: NOTE : The units of density will be g/cm3 and not g/cm2. Given : Density of H3PO4 = 1.885 g/cm3 =…

Q: What is the mass percentage of C in caffeine, CsH1oN4O2? Provide an answer to two decimal places.

A: Mass percentage of Carbon in Caffeine is 6.18%

Q: At the standard conditions, 22 g carbon dioxide (CO2) takes up a volume of ________ L  (Hint: atomic…

A: Given data,Mass of CO2=22gAtomic weight of C=12g/molAtomic weight of O=16g/mol

Q: A metal sulfide M 2 S contains 14.3% of sulfur by massWhat is the identity of the metal in this…

A:

Q: What is the mass percent of hydrogen in the following compound? C4H8O4

A: C4H8O4 molecules contain 4 carbon, 8 Hydrogen and 4 oxygen atoms.   The mass of 1 mole of C4H8O4 is…

Q: Complete and balance the following equations. If no reac-tion occurs, write NR:(a) H₃PO4(l)+ NaI(s)…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: How many grams KCl can be produced from 179.88g  KClO3 ?

A: Mass of KClO3=179.88g Molar mass of KClO3 =122.55g/mol Molar mass of KCL =74.55g/mol Mass of KCl=?

Q: Calculate the largest amount of AICI that could be produced. Re

A: Answer:- Given data:- We have Aluminium (Al) = 11.0 mol  Chlorine (Cl) = 5.0 mol Reaction- Al + Cl2…

Q: calculate the mass of magnesium oxide that forms when 0.500 grams of pure magnesium reacts with…

A: The reaction of magnesium and molecular oxygen to form magnesium oxide can be expressed as,…

Q: What is the maximum mass of ammonia that can be produced from a mixture of 1.40 x 10' g N, and 4.60…

A: Given data, According to the stoichiometry, One mole ( 28.014 g ) of nitrogen will react with three…

Q: what is the mass percentage composition of the elements in the following compounds? Round to the…

A: mass percentage composition can be calculated by  mass % = mass of atom in compound X 100 / mass of…

Q: Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) Assuming an excess of…

A: Alum having general formula KAl(SO4 )2 · 12H2O(s) to synthesis alum reaction is

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".