3) What is the mole of 6.022 x 10 molecules of CO, ? A) 2 B) 3 C) 1 4) What is the molar mass of CO, in g/mol ? A) 12 B) 32 C) 44

Q: 7 Calculate the number of moles of OCI?

A: 1

Q: A molecular compound is found to consists 30.4% nitrogen and 69.6% oxygen. if the molecule contains…

A: Given Composition of N = 30.4 % Composition of O = 69.6 %

Q: 14. How many grams of H,O could be formed by the reaction of 16.0 g of CH, with 48.0 g of O,? CH, +…

A: The amount of water produced by combustion of methane is calculated as,

Q: A flask contains 0.390 mol of liquid bromine, Br2. Determine the number of bromine molecules present…

A: Given, Number of moles = 0.390

Q: 2. You start with 2.46 g of KCIO345) and heat it. Use stoichiometry to calculate the mass (g) of KCI…

A:

Q: (a) How many moles are in 1.00 kg bottle of water? (b) How many molecules? The molar mass of water…

A:

Q: Consider the reaction. Pb(SO,), + 2 Zn → 2 ZNSO, + Pb If 0.234 mol of zinc reacts with excess…

A: Recall the given reaction       PbSO42 + 2Zn → 2ZnSO4 + Pb Given that 0.234 moles of zinc have been…

Q: An antifungal molecule has a molar mass of 2448 g/mol.  a. How many moles are there in a 1.567g…

A: The given weight of sample is 1.567 g. The given molar mass is 2448 g/mol.

Q: Chlorofluorocarbons (CFC's) are a class of compounds that have a long b of use in refrigerators…

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

Q: Define a scope of Convert between moles of a compound and moles of aconstituent element

A: The conversion factor between moles of a compound and moles of constituent element has to be…

Q: From the previous question convert 159.8 of Br2 to moles of Br2 O 1 mole of Br2 O 3 moles of Br2 O 2…

A: Molar mass of Br2 = 159.8 g/mol Moles of Br2 = mass of Br2 in g / Molar mass of Br2 in g/molGiven…

Q: If a compound is composed of 6.2% Hydrogen, 39.5% Oxygen, 37.0% Carbon and 17.3% Nitrogen a.…

A:

Q: Pls provide clear solution on B & C 1. The Freons are a class of compounds containing carbon,…

A: Molar mass of CH2FCF3=102.03g/mol In this molecule, C----> 2,H---->2,F--->4 Atomic mass of…

Q: Mass of watch glass and evaporating dish:67.511 g   Mass of watch glass, evaporating dish, and Mg…

A:

Q: How many molecules (not moles) of NH3 are produced from 2.21*10^-4g of H2?

A: Given:Mass of H = 2.21 X 10-4 g of H2We need to find the number of molecules (not moles) of NH3 are…

Q: A sample containing 2.3 moles of H2O has weight equal to g. It has + molecules of water, + atoms of…

A:

Q: A student was given a sample of hydrated Na2CrO4 (molar mass of anhydrous Na2CrO4: 162.0 g/mol). She…

A:

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: Given this equation: N2 + 3 H2 → 2 NH3, how many moles of NH3 can be produced from 9.8 moles of H2?

A: Given Chemical Reaction : N2 + 3 H2 ---> 2 NH3  Moles of H2 = 9.8  Moles of NH3 = ?

Q: If 7.80x10¹⁸ atoms of a substance weighs 62.5g what is the molar mass of the substance in units of…

A: The number of atoms present in one mole of any substance is called as Avogadro's number which is…

Q: 3. A compound is composed of 52.14% Carbon, 13.13% Hydrogen and 34.73 Oxygen by mass a. What is the…

A: When two or more atoms combine with each other, they will form a molecule and those molecules have a…

Q: how many moles of Z will be produced from 3.10 mol A, assuming excess B? 2A+3B--->4Y+5Z Moles of…

A: For the given reaction:

Q: 4. Bismuth (II) Nitrate a. Calculate it's molar mass b. 84.56 g Bismuth (II) Nitrate = mols Bismuth…

A:

Q: Consider a sample of carbon tetrafluoride that contains 2.13 × 1024 atoms of fluorine. Using the…

A:

Q: Suppose 2.60 g of chlorine, Cl2, are used to prepare dichlorine pentoxide, Cl2O5. How many moles of…

A: Ans. Dichlorine pentoxide formation: (a) moles of oxygen             2Cl2+5O2 → 2Cl2O5      (2…

Q: When aluminum metal is placed into hydrochloric acid (HCl), aluminum chloride and hydrogen gas are…

A: Here we are required to find the mass of HCl needed to produce 2.02gm of hydrogen gas

Q: How many molecules (not moles) of NH3 are produced from 7.42×10−4 g of H2?

A: To obtain the number of molecules, first of all the reaction for the production of NH3 should be…

Q: Suppose 6.44 g of chlorine, Cl2, are used to prepare dichlorine pentoxide, Cl2O5. How many moles of…

A: Write the chemical reaction  Cl2 + 5/2O2 --------> Cl2O5   This implies 1 mole of Chlorine…

Q: For the equation N2 + 3H2 2NH3 how many moles of NH3 molecules will be created if we react 1.3…

A:

Q: 4. 4.00 moles of sulfur dioxide SO2? 2.50 moles of methane CH,? How many moles are there in: 6.…

A: Each mole of any substance has Avogadro number of molecules. Each moles of any substance has…

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: 4. An 8.00 gram sample of the hydrated salt, CoCl2 • X H2O was thermally decomposed into anhydrous…

A: The question is based on the concept of reaction stoichiometry. We have  to calculate mole ratio of…

Q: A compound of mass 0.496g consisted of only C,H and O. It was completely burned in oxygen,producing…

A:

Q: How many molecules (not moles) of NH3 are produced from 5.01×10−4 g of H2?

A: Calculate the number of moles of hydrogen gas. The molar mass of hydrogen gas is 2g/mol.

Q: In a first expirement, a compound is analyzed and found to contain 85.63% C and 14.37% hydrogen by…

A: 1. atom % in samp;e mole Mole ratio (divided by smallest number of moles) C 85.63 85.63 /12 =…

Q: 5. Magnesium Phosphate a. Calculate it's molar masS b. 183.58g of Magnesium Phosphate = mols…

A: Number of moles is the ratio of given mass of the substance to the molecular mass of the substance.

Q: Ascorbic acid, or vitamin C (C6H8O6), is an essential vitamin. It cannot be stored by the body and…

A: Given : Mass of vitamin C i.e C6H8O6 in tablet = 500.0 mg = 0.500 g…

Q: How many g of iron are required to use up all of 25.6 g of oxygen atoms (0) to form Fe,03?

A: Given reaction,       4 Fe +  3 O2 → 2 Fe2O3

Q: 3) How many moles are there in 2.3 x 1044 atoms of sulfur? 23 4) How many grams are there in 7.40 x…

A: Applying mole concept and avogadro concept of atom/molecules.

Q: a nor b 7. Most of the industrial ammonia today is produced via the Haber Process. The Chemical…

A: Ammonia is prepared industrially by Haber's procees. It involve the reaction between nitrogen gas…

Q: 71.071.0 mol of P4O10P4O10 contains how many moles of PP?

A: Given,Moles of  P4O10 = 71mol

Q: How many molecules (not moles) of NH3 are produced from 8.33×10−4 g of H2?

A: The balanced chemical reaction for the formation of NH3 from H2 and N2 can be written as follows:

Q: To balance the Chemical equation: x, Ca3(PO4)2+ x2 H3PO4→X3 Ca(H2PO4)2, -> the equation for the…

A:

Q: Al,(So.), + BaCl, --> BaSO, + AICI, How many moles of barium chloride are needed to produce 10.5…

A:

Q: What is the molar mass of C13H21NO3 (albuterol), a drug used to treat asthma? Reminder: molar mass…

A:

Q: (a) what is Avogadro’s number, and how is it related to the mole? (b) What is the relationship…

A: We have to show the correlation between  Avogadro’s number and number of moles. Also we have to show…

Q: 3. How many moles of CaCO, are present in 1.30 grams?

A: Avogadro's defined 1 mol as the collection of 6.022 × 1023 atoms or the ratio of given mass to the…

Q: Suppose 3.61 g of chlorine, Cl2, are used to prepare dichlorine pentoxide, Cl2O5. How many moles of…

A: