5. A compound with an empirical formula of CFBRO and a molar mass of 253.8 grams per mole. What is the molecular formula of this compound? A. CAFABR4O4 B. CFBrO C. C2F2B12O2 A compound with an empirical formula of CaHeN and a molar mass of 46 grams per mole. What is the molecular formula of this compound? A. C4HION B. CaH&N Ç. CHN D. CaHeN

Q: Consider the following reaction to make alum: 2 Al(s) + 2 KOH(aq) + 22 H₂O(l) + 4 H₂SO4 (aq) → 3…

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Q: Compound Weight (in grams) Molecular Weight Barium hydroxide 10 171.34 g/mol Sodium chloride 25…

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Q: what mass of cerrusite PbCO3 (MM= 267.21g/mol) contains 110g of O

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Q: A particular oral contraceptive contains 0.0391 mg ethynyl estradiol in each pill. The formula of…

A: Since you have asked a question with multiple sub-parts we will answer the first 3 sub-parts. If you…

Q: Be sure to answer all parts. Cisplatin (right), or Platinol®, is a powerful drug used in the…

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Q: A) How many moles of C17H25O6 molecules are in 203 mg of this compound? B) What is the mass of…

A: Mass of C17H25O6 = 0.203 g Molar mass of C17H25O6 = 17x12 + 25x1 + 16x6 = 204 + 25 + 96 = 325 g/mol

Q: Which is the correctly balanced form of the given equation? S(s) + O3(g) SO2(g)a) S(s) + O3(g)…

A: A chemical reaction equation which contains same number of atoms on both reactant and product side…

Q: For items 1 and 2: 4NH3 + 302 6H2O + 2N2 1. What is the mole ratio of NH3 to H2O? 2. What is the…

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Q: Ethanol, C2H5OH, has a density of 0.785 g/mL and a molar mass of 46.07 g/mol. How many moles of…

A: Solution : Given, Density of ethanol = 0.785g/mL means 0.785 g ethanol present  in 1mL of ethanol…

Q: 0.6 moles of strontium phosphate contains how many oxygen atoms?     A. 0.8 NA   B. 2 NA   C.…

A: Answer: Molecular formula of Strontium Phosphate: Sr3(PO4)2

Q: 41.  0.8 moles of ferrous phosphate contains how many oxygen atoms?   A. 3.2 x 1024      B.…

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Q: How many grams of NBR3 can be made from 2.22 x 10-2 moles of Br, ? N2 + 3 Br2 2 NB13 + 44.0 kJ The…

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Q: How many moles of nitrogen dioxide are present in  3.36 x 10^21 molecules of this compound?  _____…

A: Number of moles of nitrogen dioxide present in can be solved by using this formula, substituting…

Q: Calculate the moles of glucose in 1.0253 g of glucose, C6H12O6. Then calculate the moles of each…

A: Given :-  Mass of glucose = 1.0253 g  To calculate :-  Number of moles of glucose and also determine…

Q: How many moles of Hydrogen do you have you have 5.68 x 10 ^ 24 Hydrogen atoms? a)  .9432 x 10 ^-1…

A: 1 mole hydrogen atoms contains 6.023 x 1023 atoms of hydrogen.

Q: 1. How many moles of manganese(II) fluoride, MnF2, are present in a sample that contains 3.32 moles…

A: Given substance is  Manganese(II) fluoride , MnF2 It ionises as follows MnF2 ------> Mn2+ + 2 F-…

Q: An oxide of nitrogen contains 63.1% oxygen and has a molar mass of 76.0 g/mol. A. What is the…

A: The oxide contain % of O = 63.1 % % of N = 100-63.1 = 36.9 %

Q: e. How many grams are in 2.75 moles Fe(NO,),? f. How many grams are in 1.85 moles Ag,SO4? g. How…

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Q: Phosporic acid (H3PO4) is a key ingredient in soft drinks that gives it a sharper flavor. One way to…

A: Given chemical reaction is  Ca5(PO4)3F + 5H2SO4    ==>    3H3PO4 + 5CaSO4  +  HF also given 24.5…

Q: How many moles are there in 1.81 x 1024 molecules of ammonia? A) 1.00 moles B) 5.00 moles C) 7.00…

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Q: what’s the molecular formula?

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Q: Which contains the greatest mass of oxygen?   0.75 mol of ethanol (2C H5 OH)   1.0 mol of water…

A: Which contains the greatest mass of oxygen?

Q: . A compound with an empirical formula of C20H4 and a molar mass of 88 grams per mole. What is the…

A: 3) Given: Empirical formula = C2OH4  And molar mass = 88 g/mol.

Q: (a) How many moles of C atoms are in 1 mol of sucrose (C12H22011)? (1 mol is an exact number.) mol C…

A: (a)   • The values provided in the question are:-    i) Number of moles of sucrose= 1 mol    •…

Q: How many moles of nitrogen atoms are present in a sample that contains 4.73 moles of dinitrogen…

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

Q: A particular oral contraceptive contains 0.0391 mg ethynyl estradiol in each pill. The formula of…

A:

Q: A cylinder of nitrogen gas (N2) weighs 550 grams. How many moles of nitrogen are present in the…

A: Molar mass of N2 = 28.0 g/ mol

Q: Using the following eq CH3NH2 (g)+ O2 (g)→ CO2 (g)+ H2O(g)+ N2 (g) 4.0 x 104 mol CH3NH2 contains…

A: All calculations  explained  in Handwritten solution

Q: 8.00 g of iron when burned in air yields 11.44 g oxide. What is the empirical formula of this oxide?…

A: mass of oxygen= mass of oxide - mass of Fe(iron)

Q: (Mass of crucible and cover is 43.92 g. The mass of crucible, cover, and magnesium is 44.62g. Mass…

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Q: Ethanol has a molecular formula of CH3CH2OH. 1.) What is the molar mass of ethanol? 2.) What is the…

A: 1) molar mass = sum of atomic mass of each atom present  in the molecule  Since in ethanol we have 2…

Q: For the chemical reaction 2Al + 3H2SO4---> 3H2+ Al2(SO4)3 how many moles of hydrogen will be…

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Q: How many moles of nitrite ions are present in a sample that contains 2.81 moles of copper(II)…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A compound has an empirical formula of CH3O and a molecular weight of 124 g, what is its molecular…

A: Empirical formula can be defined as the simplest whole number ratio of various atoms or elements…

Q: 3. The average atomic mass of an atom is expressed in c. g/mol d. moles a. grams b. amu 4. Which…

A: The answer to the given question is as follows------------- The number of moles (n) = Mass (W)/Molar…

Q: When aluminum Is placed in concentrated hydrochloric acid, hydrogen gas is produced. 2A1(s) +…

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Q: How many oxygen atoms are in 1.50 mol of SO3?

A: Mole is a unit of quantity of substance. One mol of a substance contains 6.022 x 1023 units of that…

Q: Calculate the equilibrium constant for each reaction using the balanced chemical equations and the…

A: The ratio of products and reactants raised to the power of their respective coefficients in a…

Q: 4.0 x 104 mol CH3NH2 contains how many moles of hydrogen? CH3NH2 (g) +   O2 (g) →   CO2 (g) +…

A: CH3NH2  + O2 --------------->  CO2   + H2O  + N2

Q: 3. The average atomic mass of an atom is expressed in c. g/mol a. grams b. amu d. moles 4. Which…

A: Choose the correct option of the following --

Q: A particular oral contraceptive contains 0.0445 mg ethynyl estradiol in each pill. The formula of…

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Q: A) 3.90 g H2O   mole (B) 6.44 g benzene, C6H6   mole (C) 32.00 g ethyl alcohol, C2H5OH   mole (D)…

A: Molecular weight amount of any compound contains avogadro number of molecules andit is termed as 1…

Q: How many moles of aluminum fluoride, AlF3, are present in a sample that contains 3.49 moles of…

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Q: 2H2O(g) ----> 2H2 (g) + O2 (g) how many grams of O2 can be produced from 60.3 g H2O(g)

A: The given reaction is: Here, the water vapor (H2O) and oxygen (O2) are in 2:1 stoichiometric ratio…

Q: The compound diborane, B2H, was 9nce proposed for use as a rocket propellane. It can be produced by…

A: The given reaction is- 3LiBH4+BF3→2B2H6+3LiF The mass of LiBH4 = 24.6 g The molar mass of LiBH4 =…

Q: And set up the mole ratio of O2 to C4H9OH =    CO2 to O2= Confused on how to do the ratios.

A: mole ratios is the ratio of moles of one component to the moles of another component in a balanced…

Q: (1) number of C atom in 2.5 mole of C. (2) number of O atom in 2 mole of H3PO4. (3) Moles of H₂O in…

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Q: How many moles of carbon are in 2 moles of glucose (C6 H12 O6) A. 2 B. 6 C. 12 D. 24 E. 1.2 × 10^24

A: Glucose is C6H12O6 We have to find the number of moles of Carbon in 2 moles of glucose.

Q: a. How many moles are in 8.5x1022 atoms Xe? b. How many moles are in 7.4×10 atoms Cu? c. How many…

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Q: 2. What is the molar mass of each substance below? a. V2S5 O118.84 g/mole O 262.23 g/mole 0211.29…

A: 1 mole = 6.022×1023 [ Avogadro number ] The mass of 1 mole of atoms of an element is called its…