Calculate the total number of N atoms in 23.8 g N2O5. O 2.65 x 1023 total N atoms O 9.31 x1023 total N atoms O 6.022 x 1023 total N atoms O 1.33 x 1023 total N atoms

Q: How many molecules of CO2 are present in 43.6 g of CO2? O 5.96 x 1023 O 4.60 x 1023 O 8.90 x 1026 O…

A: The given data contains, mass of CO2 = 43.6 g. Molar mass of CO2 = 44 g/mol.

Q: Write a balanced chemical equation for: Sulfur dioxide gas reacting with oxygen gas to form sulfur…

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Q: Calculate the mass of sodium in 21.5 g of NaCIO3. O 32.9 g O 4.65 g O 0.202 g O 0.465 g

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

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Q: Consider the balanced reaction of magnesium and oxygen. 2Mg+O2⟶2MgO2Mg+O2⟶2MgO What mass, in grams,…

A: Given: mass of Mg = 1.89 g mass of O2 = 2.07 g molar mass of Mg = 24.305 g/mol molar mass of O2 =…

Q: Consider the balanced reaction of magnesium and oxygen.   2Mg+O2⟶2MgO2Mg+O2⟶2MgO What mass, in…

A: Given, mass of O2 = 2.81 g Mass of Mg = 1.51 g Molar mass of MgO = 40.3 g/mol Molar mass of Mg =…

Q: Calculate the number of C atoms in 5.50 g of C. 6.02 x 10 23 C atoms O 3.31 x 10 24 C atoms O 5.01 x…

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Q: Calculate the mass percent of Cu in CuCl2. (Mass of Cu= 63.55 g and Cl= 35.5 g) ii) Calculate the…

A: Mass percent is the percent ratio of mass of element in the compound to the total mass of the…

Q: The approximate mass of one mole of ammonium carbonate (NH4)2CO3 is O A. 96.0 g O B. 42.0 g OC.72.0…

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Q: Consider the following chemical reaction: Na2CO3(aq) + HCl(aq) -----------> NaCl(aq) + CO2(g) +…

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Q: Write the chemical formula for each compound, and then calculate the amount in moles in each sample.…

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Q: The following reaction describes the production of elemental sulfur. Calculate the mass of elemental…

A: Given- Weight of dihydrogen sulphide =15.39 g  H2S(g)+O2(g) -> S8(s) + H2O(g)

Q: What mass, in grams, of MgO can be produced

A: Number of moles = mass/molar mass  First we find out the limiting reactant and then after applying…

Q: Calculate the mass percent of 0.485 g of H, which reacts with oxygen to form 2.32 g H2

A: Formula to be used to calculate mass percent of hydrogen  is given  below Mass  % of hydrogen = mass…

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: How many atoms are in a 1.8 mol sample of Magnesium (Mg)?      1.5 x10241.5 x1024 atoms Mg   2.99 x…

A: Given : Moles of Mg = 1.8 mol.

Q: Calculate the mass (in g) of each sample.  3.2x10^22 H2O molecules  5.0x10^25 O3 molecules…

A: The values are given as follows:

Q: What is the mass of 0.75 moles of (NH4)3PO4? O 111.75 g O 121.75 g O 131.75 g 101.75 g

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

Q: 45). Calculate the percent by mass of each element in the following compounds. HClO₃ UF₄ CaH₂

A: percent by mass of each element in the compound is calculated by the ratio of mass of one element in…

Q: Calculate the number of Na atoms in 2.56 g of NaNO3 (Avogadro’s number NA = 6.022 x 1023))

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Q: The number of ammonia (NH3) molecules present in 4.85 grams of NH3is: a.1.02 x 10^25 c. 1.72 x…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: Calculate the number of oxygen atoms in 25.1 g of nitric acid. O 4.80 x 1023 oxygen atoms O 7.19 x…

A: The number of moles of a substance is the mass of the substance upon its molar mass.

Q: How many iron ions are present in 43.6 g of Fe203? Select one: O a. 1.64 x 1023 ions O b. 2.63 x…

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Q: How many grams of oxygen are needed to produce 95.6 g of aluminum oxide? ____Al(s) + ____O2(g)…

A: Given, Amount of Al2O3 produced = 95.6 g Formula Used,

Q: 4.39 x 10^27 P4 O10 molecules = Atoms

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Q: Calculate the number of oxygen atoms in 25.1 g of nitrous acid. 4.80 x 1023 oxygen atoms O 6.43 x…

A: Given,  Mass of nitrous acid = 25.1 g

Q: Calculate the number of atoms of silver that are in 0.212 moles of silver. (Avogadro's number = 6.02…

A: Avogadro’s number, one mole of any substance (defined as its molecular weight in grams), is equal to…

Q: For the reaction: CS2 (g) + 3 02 (g) CO2 (g) + 2 SO: (g) calculate: 10. the mass of oxygen (in kg)…

A: The reaction is CS2(g) + 3O2(g) →CO2(g) + 2SO2(g)

Q: How many hydrogen atoms are contained in 3.64 g of PtCl2(NH3)2? O4.90 x 1022 O9.79 x 1022 О4.38 х…

A: Molar mass of PtCl2(NH3)2 is given by  Molar mass = Atomic mass of Pt + Atomic mass of Cl X 2 +…

Q: Suppose that you are required to calculate the number of moles for E Ar atoms. (E is a number)…

A: Detail mathematical calculation is shown below

Q: If 1.5 moles of carbon dioxide, CO2, was produced, how many grams of water was also produced= CH1206…

A: Recall the given reaction        C6H12O6s + 6O2g → 6CO2g + 6H2OgHere 1.5 moles of CO2 was…

Q: O 4.29 x 10 10 g What is the mass of 4.63 x 1012 atoms of Fe? O 1.08 x 10 10g O 9.76 x 10 10 4.29 x…

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Q: How many sodium ions are present in 20.0 mL of 0.10 M Na,S? A. 0.002 В. О.004 С. 1.20 х 1021 D. 2.41…

A: Given  Volume = 20 mL               = 20 × 10-3 Liter           ( 1 mL = 10-3  Liter )…

Q: Calculate the percent composition of elements in the following compounds as indicated.…

A: “Hey, since there are multiple sub part questions posted, we will answer first three questions. If…

Q: What is the mass of 0.5 mole of nitrogen gas? O 1.20 x 1023 O 28.0 g O 14.0 g O 6.02 x 1023 3.01 x…

A: The mass of one mole of the substance is called molar mass. Therefore, the mass of any substance is…

Q: Calculate the mass (in g) of each sample.a. 4.5 * 1025 O3 moleculesb. 9.85 * 1019 CCl2F2 moleculesc.…

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Q: Calculate the percent composition of elements in the following compounds as indicated.…

A: We can calculate percent composition by using the following formula Percent composition =(Molar mass…

Q: How many grams of potassium are present in 14.0 g of K2Cr2O7? O3.72 g 78.2 g O 1.86 g 07.0 g 0.716 g

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Q: 4. The mass of silicon atoms is * no. of Si atoms 1.63x102 atom [Avogadro's = O 1.04 x 10 g O 4.58 x…

A: Given,  Number of Si atoms =   1.63 x 1021 atoms  Calculate the mass of Si atoms = ?  Options are :…

Q: Portland cement contains some Fe2O3. Calculate the mass percent composition of iron in this…

A: Weight percent: The mass of one component divided by the total mass of the mixture, multiplied by…

Q: Calculate the number of (a) nitrogen molecules (N 2 molecules) and (b) nitrogen atoms (N atoms) in…

A: Use formulas Mole=mass÷molar mass Total molecule=mole×6×1022 Total Atoms=atomicity×molecule…

Q: What is the mass of a 5.521 mole sample of MgCl2? O 17.26 g O 100.7 g O 525.7 g O 256.1 g

A: The given substance contains 5.521 moles of MgCl2. The mass of magnesium chloride can be determined…

Q: Calculate the mass percent composition of nitrogen in NH4NO3     Calculate the mass percent…

A: Mass percent = mass of nitrogen ×100/mass of compound

Q: Calculate the mass of 1.92 x 1018 atoms of Mg. O 1.62 x 104g O 2.73x 1010g O 7.75x 10-5 g O 1.08 x…

A: We have to predict the mass of given atoms of Mg.

Q: Consider 11.5 g Na2SO4. a. Determine the number of moles of Na2SO4. b. Determine the number of Na +…

A: A numerical problem based on mole concept, which is to be accomplished.

Q: Calculate the number of moles of fluorine atoms in 61.7 mL of CHClF2 (density=1.49 g/mL)

A: Mass of CHClF2 is calculated as follows:

Q: Calculate the number of molecules in 17.8 grams of Carbon Dioxide (CO2)? O 2.11 x 1023 molecules O…

A: Given that, Mass of CO2 = 17.8  To find, the number of molecules in 17.8 g CO2?

Q: Calculate the percentage by mass of nitrogen in PtCl2(NH3)2.

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Q: If mass of SO2 is 24g , calculate: 1.1. the molar mass of SO2 The number of mole of SO2 The number…

A: Given.  Mass of SO2 = 24 g  Molar mass of SO2 = To be determined  Atomic wt. Of Sulphur = 32.065…