Penicillin N is an antibacterial agent that contains 8.92% sulfur by mass. Which value could be the molar mass of penicillin N? 256 g-mol-1 A. 360 g-mol-1 29 g-mol-1 743 g-mol-1 390 g-mol-1 B. C. D. E.

Q: Folic Acid (C19 H19 N7 O6), also known as vitamin B9 is used to treat anemia caused by folic acid…

A: a) The number of moles of Vitamin B9 can be calculated as given below. Therefore, the number of…

Q: 1. Calculate the percent composition of sucrose ( C12H22011) %O = 176.00 g/mol x 100 = 51.41% 342.34…

A: Known: Atomic mass of O = 16.00 amu Atomic mass of H = 1.01 amu Atomic mass of C = 12.01 amu

Q: How many grams of Cl, are needed to form 82.4 g of AlCl, ? 2 Al(s) + 3 Cl, (g) 2 AICI, (s)

A: two moles of Al reacts with  3moles of chlorine gas forms 2 moles of AlCl3 Calculation of no of…

Q: Mass of oxygen = 0.49g- 0.33g = 0.16g Number of moles = given mass / molar mass Number of moles of…

A:

Q: Q9. How many oxygen atoms are present in a 5.00 mole sample of Al2(C C. 2.71 x 1025 B. 2.71 x 1024…

A:

Q: Calculate the number of mol corresponding to:a. 20.0 g He b. 0.040 kg Na c. 3.0 g Cl2

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

Q: 1) What is the molar mass of Ca(NO3)2? A) 70.0 g/mol B) 134 g/mol C) 148 g/mol D) 164 g/mol E) None…

A: The molar mass of Ca(NO3)2 is to be determined.

Q: Na2S and 12.1 8 CUSO4? The actually amount of CuS Reaction: Na2S + CUSO4 → Na2SO4 + CuS A) 16.1% B)…

A: The limiting reagent is a reactant which is used up completely in a chemical reaction.

Q: g Fe203 Pg Co g Fe g CO2 d mole Fe203 mol CO mol Fe mole CO2 |partides Fe203 molecules CO atoms Fe…

A: The question is based on the concept of chemical reactions. we have to identify and write the units…

Q: Cisplatin (right), or Platinol, is used in the treatment of certain cancers. Calculate (a) the…

A: Because, number of moles of compound=mass of compound (in g)molar mass of compound (in g/mol) So the…

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…

A:

Q: 32. How many grams of Li;N can be formed from 1.75 moles of Li? Assume an excess of nitrogen. 6…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: 20. How many molecules are contained in each of the following: (a) 1.75 mol Cl, (b) 0.27 molC,H,O…

A:

Q: Morphine (molar mass = 285.37 g/mol) is a narcotic %3D painkiller. How many moles of morphine are…

A: We know that : moles = weight of substance/molecular weight of substance  Or, moles (n) = weight…

Q: H2lg) reacts with N{g) to produce NH3(g). What mass of H2(g) is required toct completely and produce…

A:

Q: The moler mass of sulfur tetrafluoride is A. 54.10 g\mol B. 358.60 g/mol C. 108.07 g/mol D.…

A:

Q: 2.43 g sample of MgSO4 hydrate (MgSO4 · x H2O) is heated and 1.19 g of anhydrous MgSO4 remains.…

A:

Q: How many moles of NBR3 can be made from 2.22 x 102 moles of N2 ? N2 + 3 Br2 → 2 NBr3 + 44.0 kJ mol…

A: N2   +  3 Br2   --->  2 NBr3   given 2.22 × 10² moles of N2

Q: O Naphthalene (128.164 g/mol) H. H. H. O Acetic acid (59.04 g/mol) H-C-C HICI

A:

Q: The molar mass of Fluorine (F) is 19.0 g/mol. Calculate the molar mass of F2. O 6.31 x 10-23 g/mol…

A: Molar mass of a compound is the sum of individual elements multiplied by their molar masses.

Q: 7. Complete the following table. Mass Number of Number of Molecules or Number of Atoms Substance (g)…

A: As you not specified so I am giving answer of first 3 questions  Use there formula to get the…

Q: Threonine is an amino acid with the formula C4H9NO3C4H9NO3. Determine the number of moles of carbon…

A: Formula of Threonine = C4H9NO3  Mass of threonine = 48.15 g Moles of carbon = ?

Q: Calculate the moles of FeFe in 3.32×10223.32×1022 atoms of FeFe.

A: Number of atoms of Fe is given 3.32 X 1022

Q: The miler mass of sulfur tetrafluoride is A. 54.10 g\mol B. 358.60 g/mol C. 108.07 g/mol D.…

A: The Molar Mass of Sulfur Tetrafluoride can be calculated as -

Q: 1 Bao + 1 H2SO, → 1 BasO4 + 1 H,0 3. (a) What mass of BaSO, can be formed from 196.0 g of…

A:

Q: A) How many grams of Mgl, is present in a 0.4745 g sample that is 53.21% Mgl2 (278.11 g/mol)? B)…

A:

Q: 39. What amount of phosphorus produces 8.80 mol of phosphorus trichloride? P4l6) + 6Cle) →4PC1316)…

A:

Q: cation 4- Pb Sn Mn Cu anion 0²- 3 P N S Some ionic compounds empirical formula Ú 17 17 name of…

A: Empirical formula: it can be defined as the simplest whole number ratio of different atoms in the…

Q: How many grams of LizN can be formed from 1.75 moles of Li? Assume an excess of nitrogen. 6 Li (s) +…

A:

Q: Gold (Au) has been used to make ornamental objects and jewelry for thousande sf years. Gold nuggets…

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) Given: Mass…

Q: How many moles of sodium hydroxide are there in 1.00 kg of sodium hydroxide (Given Na=22.99 g/mol;…

A: Given mass of sodium hydroxide = 1kg = 1000g

Q: A 3.87 g sample of a hydrate of MnCl2 was heated to drive off the water. The anhydrous powder…

A: The mass of a hydrate of MnCl2 = 3.87 g The mass of the anhydrous powder after heating = 2.46 g We…

Q: Cobalt (III) fluoride is reacted with sulfur tetrafluoride to form sulfur hexafluoride and cobalt…

A:

Q: 1. Acetone is a well-known industrial solvent with a molecular formula of: C3H60. Calculate for its…

A: Given, the molecular formula of acetone = C3H6O We have to find the formula weight of acetone and…

Q: How many moles of Hydrogen (H) are present in 9.8g of the hydronium molecule (H30*) 5.9mol 19mol…

A:

Q: Research suggests that a daily dose of 85 mg aspirin (molar mass = 180.17 g), may reduce a person's…

A:

Q: Acetone is a well-known industrial solvent with a molecular formula of: C3H60. Calculate for its…

A:

Q: What is the molar mass of rhodium (III) chromate?

A: We need to calculate the molar mass of Rhodium (III) chromate.

Q: The molar mass of sodium fluoride is A. 51.1 g/mol B. 42.0 amu C. 42.0 g/mol D. 20 g/mol E. 25 g/mol

A:

Q: 1 mol TiAl4V contains mol Ti, mol Al and mol V.

A: We are given, 1 mol Ti6Al4V

Q: 1.) Calculate the moles of KHP in flask #1. grams KHP Molar Mass of KHP (A1) 204.22 g/mol moles KHP…

A:

Q: The molar mass of a sulfur molecule (Sg) is a 32.05 g/mol b 140.0 g/mol c 256.5 g/mol d None of the…

A:

Q: Part C In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol).…

A:

Q: A) How many grams of Mgl2 is present in a 0.4745 g sample that is 53.21% Mgl2 (278.11 g/mol)? B)…

A:

Q: O Emmaree Hernandez - Mole R X How to Calculate Molar Mass O Unit 4 Test Choice Boarc X A IN CLASS…

A: The given reaction is : N2+3H2→2NH3moles of N2=2moles of H2=3moles of NH3=2

Q: d anyone tell me what this compound is osed to be.The molar mass is 92.73 g/mol. Unknown 3 1 1

A: The compound is ,for sure, a deivative of acetic acid since the nmr spectra contains 2 peaks…

Q: 6)_SeCle +_02 →_SeOz + __Cl2 _0:→. _SeO; +. 23.5 mols of SeCle will produce how many mols of Cl2?

A:

Q: of 7.5 x 10^23 atoms of Br? * A. 7,5x1batoms br x G02 MỖ atons Br Imol Br B. 7.5x1b tome br x_ Imol…

A:

Q: 16) Determine the number of atoms in 48.3 g sample of zine (65.38g Zn= Imole Zn

A:

Q: 8.25 Cisplatin (right), or Platinol, is used in the treatment of certain cancers. CI- N- Calculate…

A: The molecular formula of  cisplatin or Platinol is [Pt(NH3)2Cl2]