Question 1 0.450 mole of Fe contains how many atoms? x 1023 atoms (Avogadro's Number is 6.022 x 1023 mol¯1) Question 2 10 10

Q: QUESTION 1 Consider some unknown compound containing only copper and oxygen. In order to determine…

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Q: 23 How many moles are there in 8.74 x 10 propane molecules of

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Q: The number of particles in one mole of a substance is equal to what? Select all that apply.…

A: The number of particles in one mole of substance is equal toavogadro's number6.02× 1023

Q: Question 16 What mass of N atoms is present in 1.37 x 1017 molecules of N2O? Group of answer…

A: Given molecules of N2O = 1.37 × 1017  molecules  1 moles of a compound contains Avogadro's number of…

Q: QUESTION 3 This task asked you to understand Avogadro's constant. What is the value of Avogadro's…

A: The number of units in one mole of any substance is called Avogadro's number or Avogadro's constant.…

Q: How many moles of Ar are in 9.50 x 1023 atoms?

A: Given :-  number of atoms of Ar = 9.50 × 1023 atoms  To calculate :-  number of moles of Ar

Q: How many H20 molecules are there in 3 moles of H20 sample? O 6.02 x 1023 molecules O 2x 6.02 x 1023…

A: Given: Moles of water, H2O = 3 mol.

Q: amount

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: According to the balanced chemical question below, how many grams of Be 3N 2 can be formed from 5.40…

A: 3Be(s) + N2(g) ——>  Be3N2(s)  3 mole of Be produce 1 mole of Be3N2 5.40 mole of Be produce 1.8…

Q: convert 5 moles of K to molecules of K

A: 1 mol = 6.02 x 1023 molecules 1 mol = molar mass

Q: QUESTION 14 How many moles of benzene C6H6 are present in 390 grams of benzene. 5 mol 4.3 mol 6.7…

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Q: How many moles are there in 218.5 g of Pd?

A: Given, mass of Pd = 218.5 g moles of Pd = ? Note: molar mass of Pd = 106.42 g/mol

Q: Question - 4 A sample was analyzed and found to contain 52.14 % carbon , 13.13% hydrogen, and 43.73…

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Q: How many molecules of NH3 are there in 0.0526 grams of NH? Answer in decimal form or in scientific…

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Q: Question 2 A compound commonly used in topical medicines has a molecular weight of 152.23 amu and a…

A: Here we are required to find the empirical formula

Q: What is the empirical formula of a compound composed of 25.3 g of potassium (K) and 5.18 g of oxygen…

A: Given:: Mass of K = 25.3 g, MM= 39 g mol-1 Mass of O=5.18 g, MM=16 g mol-1 Empirical formula = ?

Q: When a 0.709 g sample of a compound undergoes combustion analysis, 1.264 g CO₂ and 0.516 g H₂O are…

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Q: A combustion of 15.36 grams of Question 4 compound X, which is made of carbon, hydrogen, and oxygen…

A: To determine the empirical formula for the compound X.

Q: does your Magnesium Mg metal with Chlorine Cl experimental empirical formula of a compound compare…

A: According to Dalton atomic theory, atoms play an important role in the description of every matter.…

Q: How many grams are there in 4.5 x10 22 molecules of MgBr ,? O 1.47 x 10 44 g 8.28 x 10 24 g 0.075 g…

A: Given  molecules of MgBr2 = 4.5 x 1022 molar mass of MgBr2 = 184.113 g/mol   Conversion factor -…

Q: 1. 0.500 g of an organic compound containing only carbon, hydrogen and oxygen gave o.733 g CO, and…

A: Given data: Mass of the organic compound = 0.500 g. Mass of CO2 = 0.733 g. Mass of H2O = 0.299 g. To…

Q: [References] Styrene, the building block of polystyrene, consists of only C and H. If 0.878 g of…

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Q: How many atoms are in 5.00 moles of O? 3.01 x 1024 atoms 2. 4.52 x 1024 atoms 3. 1.51 x 1024atoms 4…

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

A: We have given that  Which of the following is equal to exactly Avogadro's number of atoms?   A.…

Q: QUESTION 28 How many variables that indicate the state of gas? 04 6 02 QUESTION 29 Find the shape…

A: As per the guidelines , we are supposed to answer first question , to solve remaining questions…

Q: 2. How many MOLES of bromine are present in 9.78x1021 molecules of carbon tetrabromide? moles of…

A: Given: The number of molecules of carbon tetrabromide (CBr4) is 9.78×1021.

Q: QUESTION 4 How many moles of magnesium are in 1.65 g magnesium? DO NOT INCLUDE UNITS IN YOUR ANSWER…

A: Number of moles is equal to the mass of a substance divided by its molar mass.

Q: A certain compound contains carbon, hydrogen and chlorine only. Complete combustion of 0.425 g of…

A: Given data: Mass of compound = 0.425 g, Mass of water produces = 0.179 g, The compound is 59.19 % by…

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A: Dear student I have given answer to your question in the image format.

Q: How many molecules are there in 1.77 moles of NaF? O 1.07 x 10 24 molecules O 254 x10 22 molecules O…

A: In 1 Mole of any compound, there are avogadro no. Of molecules, ie., 6.023*1023 molecules.

Q: O 3x 6.02 x 1023, QUESTION 5 How many H20 molecules are there in 3 moles of H20 sample? 6.02 x 1023…

A: Given that, Moles of H2O=3 moles then,

Q: Question 2 What volume (in mL) would 3.98x1022 Br₂ molecules occupy? The atomic mass of Br = 79.904…

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Q: QUESTION 14 How many moles of Na atoms is 9.27E24 Na atoms?

A: Avogadro's number is a dimensionless quantity which states that:  1 mole = 6.022 x 1023 atoms I mole…

Q: QUESTION 6 The number of molecules of 2.53 g C7H6O3 is: 1.10x1022 molecules 138 molecules 3.04x10 26…

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Q: Question 20 Calculate the number of grams in 8.00 mol of carbon dioxide. 352g 5.50g 28g 4.82 x 1024g…

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

Q: A 36.4 g sample of Ga reacts with O₂ to form 48.9 g of product. Determine the empir

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Q: Which of the following formulas must be an empirical formula? O P4010 O NajS₂0 O Na₂O₂

A: This question can be solved by using empirical formula.

Q: 0 Question 16 Consider the following hypothetical unbalanced equation: D6+ Z --> DZ How many moles…

A: The unbalanced equation is Balance D : There are 6 D atoms on the left side. To balance, multiply DZ…

Q: Avogadro's number is the number of particles in one mole (6.022 x1023 particles = 1 mol).  How many…

A: 1 mol = 6.022 × 1023 particle

Q: Question 2 How many molecules of ammonia are contained in 10.4 moles of ammonia, NH2? O 177…

A: Avogadro's number represents the number of units in one mole of any substance. This has the value of…

Q: Question 3 How many atoms are in 157 grams of H2? 4.6 Question 4 How many particles are there in…

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