For each of the following gemstones, determine the mass of compound present in the given moles of each compound. The chemical formula for emerald is Be₃Al₂(SiO₃)₆. What is the mass in grams of emerald that are in 0.0170 moles? The chemical formula for garnet is MgAl₂(SiO₄)₃. What is the mass in grams of garnet that are in 0.0391 moles?

Q: Which of the following is equal to exactly Avogadro's number of atoms? 8.00 grams of oxygen 36.00…

A: To find which of the following is equal to exactly Avogadro’s number of atoms. 8.00 grams of oxygen…

Q: How many molecules are in 2.33 moles of Dinitrogen Trioxide? A. 1.71 x 1023 molecules Dinitrogen…

A: Given  Number of mole of N2O3 = 2.33 mole  Number of molecule = ?

Q: how many ions or atoms of each element are in 160.5 g of the following substances?  a) H2 _?_ x1025…

A:

Q: Mg(s) + 2 HCl(aq) −−−→ MgCl2aq) + H2(g)   given that the mass of magnesium is 0.030 g, find the…

A:

Q: A balanced chemical equation contains the term "2Ba(OH)2 8H2O." How many atoms of each element does…

A: Given: The coefficient of Ba(OH)2·8H2O in the reaction = 2

Q: How many grams of calcium oxide, CaO , are present in 3.05 moles of this compound?  grams How many…

A:

Q: A typical engagement ring might have a diamond made of pure carbon, weighing 0.12 grams. How many…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: How many atoms of nitrogen are present in 3.19 moles of dinitrogen tetroxide?  nitrogen atoms

A: According to the bartleby guidelines we have to answer only one question so pls submit different…

Q: How many grams of magnesium iodide, MgI2, are present in 4.14 moles of this compound?  grams How…

A: Molar mass of Magnesium Iodide is 278.1139 g/mol .

Q: Nitrogen dioxide is a component of urban smog that forms from gases in car exhaust. How many…

A: Detail mathematical calculation is shown below

Q: Galantamine is a drug given to patients who have Alzheimer's disease. Its chemical formula is…

A:

Q: How many moles of nitrogen trifluoride are present in 7.02

A: 1 mol = Avogadro number no.of entities  Symbol NA  NA = 6.02 × 1023   No. of moles = Given no.of…

Q: How many GRAMS of potassium nitrite are present in 3.81 moles of this compound ? grams.  How many…

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

Q: which of the samples have the large numbers of molecules H2S04 ? (Atomic mass H = 1, O=16 S= 32) * O…

A: Given data, Atomic mass of H = 1g/mol Atomic mass of O = 16 g/mol Atomic mass of S = 32 g/mol

Q: he Freons are a class of compounds containing carbon, chlorine, and fluorine. While they have many…

A: HFC-134a  is CH2FCF3 HCFC-124 is CHClFCF3

Q: How many bromine atoms are present in 32.5 g of CH2Br2?

A: Since there are multiple questions, we are authorized to answer only the first one. If you want the…

Q: How many moles are equal to 4.5 x 1023 molecules of carbon monoxide? (Round to two decimal places).

A: No of CO molecules = 4.5 × 1023 molecules No fo moles = to be determined

Q: 6. Calculate the mass of 4.50 moles of CazPO4 . O 968 g O 215 g O 0.0209 g O 87.1 g 7. The molecular…

A:

Q: Fluoride ion is added to drinking water to prevent tooth decay. What is the mass in grams of sodium…

A: Given Formula units = 1.19 × 1019

Q: 1. Complete the blanks in each row, with proper number of significant figures : Substance Molar…

A:

Q: 42. Ethanol (C2H50H), a domestically produced fuel source, is often blended with gasoline. A sample…

A: Given mass of Ethanol (C2H5OH) = 45.6g To determine the number of carbon,hydrogen and oxygen atoms…

Q: How many grams of magnesium hydroxide,Mg(OH)2, are present in 4.52 moles of this compound?…

A: The values are given as follows:

Q: Avogadro’s number is defined as   the number of atoms in exactly 12 g of carbon-12. the number of…

A: Which one of the following is correct

Q: What is the mass of each compound, h kilograms? a. 34.8 mol of sodium metasilicate, Na2Si03(s) b.…

A: The solution is given below -

Q: 27.Formaldehyde has the formula CH₂O. How many molecules are there in 0.11 g of formaldehyde? A) 6.1…

A: Given :  Mass of formaldehyde = 0.11 g

Q: 5. Fructose (C,H,,O), a simple sugar, is commonly found in soft drinks, vegetables, fruit, and many…

A: Given: molecules of Fructose = 93.0*1023 molecules molar mass of C = 12.011 g/mol molar mass of H =…

Q: How many moles of ammonia contain 1.51 x 1024 NH3 molecules? A) 2.51 mol B) 0.399 mol C) 0.251 mol…

A: Number of moles = Number of molecules/6.0224 x 1023 Number of moles = Mass/molar mass

Q: What is the total number of atoms contained in 3.00 moles of cobalt?

A: Given :- number of moles of Co = 3.00 mol  To calculate :- number of atoms of Co

Q: How many moles of aspirin are in the tablet?

A: Number of moles = mass/molar mass  1 mol = 6.022 × 1023 molecules

Q: Iron is biologically important in the transport of oxygen by red blood cells from the lungs to the…

A: Given :-  Mass of Iron present in 2.64 × 1013 red blood cells = 2.90 g  To be calculated :-  Number…

Q: 1. How many hydrogen ions (H+) are in a mole? 2. What is the mass of one mole of H+ ions, in grams?,…

A: Introduction Always remember that 1 mole = 6.022 x 1023 atoms or molecules or ions. The correct…

Q: How many atoms of carbon are present in 34. 5 g caffeine, Cg H10N4O2 ? A 1.08 x 1024 B 8.57 x 1023…

A: given, the weight of caffeine = 34.5g

Q: The mole is a unit of measurement, which chemists routinely utilize. Which of the following molar…

A: A mole is defined as the amount of substance tht contains the same number of atoms, molecules, ions…

Q: The number of molecules in 56 grams of water are(Take 6.022*1023=NA

A:

Q: many molecules are contained in each compound? a. 1.35 mol of carbon disulfide (CS2) b. 0.254 mol of…

A: Since you have asked multiple questions we are solving first question for you. For remaining…

Q: B. FIND THE MOLAR MASS OF THE FOLLOWING COMPOUNDS. THE FIRST ONE IS DONE FOR YOU. USE YOUR PERIODIC…

A:

Q: How many moles of sulfur dichloride are present in  2.74 grams of this compound?…

A: The number of moles of sulfur dichloride present in 2.74 grams of compound is

Q: How many moles of carbon tetrachloride are present in 3.17 x 10^22 molecules of this compound?…

A: Given,  The moles of carbon tetrachloride are present in 3.17 x 10^22 molecules of this compound?…

Q: formula units

A:

Q: How many molecules are in 30.8 moles of NH₃? Determine the number of atoms of O in 42.3 moles of…

A: .We know that ,    Number of mole = Given massmolar mass. 1 mole =…

Q: How many moles of dinitrogen tetrafluoride, N2F4, are present in 1.12 grams of this compound?…

A: Dinitrogen tetrafluoride has a molar mass of 104.01 g/mol. Now, we proceed to solve the questions…

Q: How many moles of nickel (II) cyanide are present in 4.61 grams of this compound?

A: moles = mass / molar  mass Given  4.61 g Nickel cyanide

Q: Mol-atom (compounds) One mole of an element is equal to 022 Y 10³S particles is the number of atoms…

A: In the given questions we have to do moles and no. Of atoms/molecules interconversion.

Q: Elements B and N form a binary compound BxNy. When 12 grams of this compound was made from its…

A: Empirical formula of a compound is the simplest positive integer ration of atoms present in the…

Q: The formula for boron trichloride is BCl3. A. How many molecules are in 9.31 grams of boron…

A: Molecular formula of Boron trichloride is BCl3. It has three Chlorine atom and one boron atom. Molar…

Q: Ibuprofen has the molecular formula C13H1802. The number of moles of carbon atoms in 0.0325 mole of…

A:

Q: Consider a sample of carbon tetrafluoride that contains 1.05 × 10²⁴ atoms of fluorine. Using the…

A:

Q: How many atoms are present in 123 g of magnesium cyanide? a. 9.7 x 1023 b. 2.91x 1024 c. 2.83 x 1028…

A: Formula of magnesium cyanide is Mg(CN)2

Q: Nitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce…

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".