11. How many grams are in 1.44 moles of water? O18.02 g O36 g O 25.9 g O 5 g 12. How many moles are in 84.6 g of neon? * O3.78 moles O 1.00 moles O 4.2 moles

Q: N2+ 3H2 2NH3 How many moles of nitrogen (N2) are required to produce 97.3 grams of NH3 ? MM N2:…

A:

Q: How many moles of oxygen atoms are in 8.18 grams of Mg(NO3)2?    a. 0.662 moles of oxygen    b.…

A: The moles of an element is calculated as the amount of the element present per mole of the compound…

Q: 1) What is the molar mass of iron (III) sulfate: Fe2(SO4)3? Enter your answer to two decimal…

A: The molar mass of a compound can be calculated by adding the each individual elements mass. If more…

Q: 28) How many moles contain 6.022 × 1023 lithium atoms? A) 2 moles B) 1 mole C) 6.022 x 1023 moles…

A: Given  Number of Lithium atom = 6.022 × 1023  Number of mole = ?  Mass of FeSO4  = 4.657 gram…

Q: Determine the number of moles of phosphorus in 7.722 g of Zn3(PO4)2.  [Mr (Zn3(PO4)2) = 386.1 g…

A:

Q: NaHCO3 is the active ingredient in baking soda. How many grams of oxygen are in 0.42 g of NaHCO3?…

A: Given,  The mass of NaHCO3 = 0.42 g.  Molar  mass of NaHCO3 =  84.01 g/mol…

Q: How many moles of oxygen are in 6.75 grams of oxygen?     A. 0.42 moles B. 1.60 moles C. 0.21 moles…

A: Given  values are, Mass of oxygen = 6.75 g We know molar mass of oxygen O2 = 31.998g/mol

Q: How many Li atoms are contained in 97.9 g of Li (MM = 6.9 g/mol) ? (1 mole=6.022 × 1023 atoms) A.…

A: masss of li= 6.941g of Li   number of moles= wt/molecular wt number ofmoles=97.9g Li/(6.941g Li/mol…

Q: 0.4 moles of calcium carbonate contains how many carbon atoms?     A. 1.2 x 1023   B. 4.8 x…

A: The formula of calcium carbonate = CaCO3  Molecular weight of CaCO3 is 100 gm/mol  1 mole CaCO3 =…

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: The molar mass for F e (C O 3 ) is: A. 251.4 grams/mole B.115.8 grams/mole C.139.8 grams/mole D.83.8…

A: We have given that  The molar mass for Fe(CO3) is: A. 251.4 grams/mole B.115.8 grams/mole C.139.8…

Q: 48. How many iron atoms are in 0.32 mol of Fe2O3? A) 3.9 x 1023 iron atoms B) 1.9 x 1023 iron atoms…

A: Answer

Q: How many moles of S

A: Number of moles = mass/molar mass  Molar mass of S = 32.065 g/mol  Molar mass of SO2 = 64.066 g/mol

Q: How many moles of mercury are present in 102 g of mercury(1) oxide? a. 2.44 moles O b. 4.89 101…

A: 417.18 g of mercury oxide = 1 mole   1 g of mercury oxide= 1/417.18 1 g of mercury oxide= 1/417.18…

Q: Which of the following represents the least number of molecules? (a) 20.0 g of H2O (18.02 g/mol) (b)…

A: The number of molecules present in each compound is calculated as,

Q: How many moles are contained in each number of grams of table sugar (C 12H 22O 11, molar mass 342.3…

A: Given data molar mass of sugar ( C12H22O11 ) = 342.3 g/mole   mass of sugar part(a) 0.500 g…

Q: How many atoms of Oxygen (O) are in 3.25 g K2Cr2O7 (MM = 294.19 g/mol)?

A: Molecular weight of one molecule of K2CrO7 = 294.29g One molecule of K2CrO7 contains 7 atoms of…

Q: 2 Agl + Nazs → Ag2S + 2 Nal O 6.00 moles O 1.00 moles O 2.00 moles O 3.00 moles

A: Moles of AgI = 2.00 moles Moles of Na2S = 3.0 moles

Q: How many moles of CH4 are present in 137.96 g of methane?

A: Given :  Mass of CH4 = 137.96 g  molar mass of carbon = 12.011 g/mol molar mass of hydrogen = 1.0080…

Q: A mystery compound has a molar mass of 28.1 g/mol. How many moles is 98.4 g? Do not put any units in…

A:

Q: 12. It contains the greatest number of atoms. A. 4.0 mol NH3 B. 6.0 moles CO C. 3.0 moles SO3 D.…

A:

Q: How many grams of NBr3 can be made from  2.22 x 10-2 moles of Br2 ?  N2   +   3 Br2   →   2 NBr3…

A: Write down the given reaction N2 + 3Br2 ----> 2NBrccording to the stoichiometry 2moles NBr3 is…

Q: How many moles of carbon are in 7.50 g of the compound C3H4O2? Atomic Mass: C = 12.01; H = 1.008; O…

A: Given  mass of compound = 7.50 gram  Number of moles of carbon = ?

Q: How many moles are in 1.75g 02? O 1.75 g O2 +1 mol/32.02 moles O2 O 32.02 moles O2 O 1.75 g O2 x 1…

A: Recall the expression of moles as follows       moles=given mass of the compoundmolar mass of the…

Q: 5 F2 (g) + 2 NH3 (s) N2F4 (g) + 6 HF (g) If you reacted 11.9 moles of F2 how many moles of HF would…

A: Given Chemical Reaction: 5 F2(g) + 2 NH3(g) ---> N2F4 (g) + 6 HF(g)  Moles of F2 reacted = 11.9…

Q: How many moles are in 114.58 grams of Ba (SO4) A. 0.72 moles Ba (SO4) B. 18,290.4 moles Ba (SO4)…

A: Number of moles of substance =(mass given)/(molar mass) ----(1) Given data:  Mass of BaSO4…

Q: Assume vit K1 makes up 0.052% ( by mass) of cilantro. How many moles of vit K1 is there in your…

A: Vit K1 makes up 0.052% (by mass) of cilantro. 1 tsp of cilantro is used here and volume of 1 tsp is…

Q: What is the molar mass of 7 kg sodium hydroxide? O 40.85 moles 45. 35 moles O 17.35 g/moles 40.00…

A: Given: 7 Kg of sodium hydroxide.

Q: 20. How many grams are in 1.18 x 1021 HF molecules? H = 1.008 g/mole and F=19.00 g/mole 1.01 g 0.992…

A:

Q: If you have 4 moles of CH4 molecules, how many C atoms do you have? 16 4 moles 16 moles

A: Here, we have to find the number of C atoms that are present in 4 moles of CH4.

Q: How many moles of pentane (C 5H 12) are contained in the following number of molecules? a. 5.00 × 10…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: 1.) How many moles of Fe2O3 are in 185 g of the compound? number of moles:            mol  2.)…

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

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: How many molecules of CF, are in 38.4 grams? 38.4 g 88.0 g|6.02 x 1023 moles 1 mol | 1 molecule 38.4…

A: Given data:  Given mass of CF4 = 38.4 grams CF4 molar mass = 88.00 g/mol

Q: How many moles are in 20.0 grams of F2?760. 760. moles 1.05 moles 0.526 moles 19.0 moles 38.0 moles

A: Given data contains, Grams of F2 is 20.0 grams. Molar mass of F2 is 37.99 g/mol.

Q: Mass of NH4NO3 (s) + H2O (l) = 1.9871 Determine the moles of NH4NO3 in the sample. The molecular…

A:

Q: How many moles are present in 0.098 grams of HCl?

A: Moles is given by  Moles = mass / molar mass  And molar mass = sum of Atomic masses of all atoms in…

Q: many

A:

Q: Which of the following represents the least number of molecules?(a) 20.0 g of H2O (18.02 g/mol)(b)…

A:

Q: Convert 23g of NazN to moles. O 0.28 moles O 0.088 moles O 1900 moles O 1.8 moles

A: We have to predict the quantity in Moles.

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: The max dose of sodium hydrogen phosphate (Na2HPO4)that should be taken in a day is 3.8 grams. How…

A: MOLE: The unit of mole is 'mol'. It is defined as the estimation of the amount of substance of any…

Q: CIO3 → 2 KCI + 3 O2 10. How many grams of O, will be formed from 3.76 grams of KC1O,? 3.76g KCIO3 1…

A: In this problem, we have to solve the mass of the reactant and products with the help of…

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: Exactly 1 mol Hg₂ (NO3)2 contains how many moles of Hg, N, and O? moles of Hg: moles of N: moles of…

A:

Q: 51 Caffeine Caffeine, found in coffee, tea, chocolate, cola beverages is a highly popular stimulant…

A:

Q: 0. How many moles are present in 450 grams of sodium phosphide, Na3P? O 44, 995 moles 450 moles O…

A: Given in the question = Compound = Na3P Given mass of compound = 450 gms Molar mass of compound =…

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: Which one of the following samples contains the largest number of molecules? a. 3 moles of H2O b.…

A: 1 mole = 6.022×1023 [Avogadro's number ] The mass of one mole of molecules of a substance is known…

Q: 9. How many molecules are in 5 moles of water? How many molecules are in 20 moles of 02? How many…

A: