4. One mole is equivalent to a. 3.75 g Hydrogen c. 16 g Oxygen b. 14 g Carbon d. 190 g Gold 5. What does the mole measure? a. mass of a substance b. amount of a substance c. volume of a gas d. density of a gas 6. What does Avogadro's number represent? a. the number of atoms in 1 mol of an element b. the number of molecules in 1 mol of a compound c. the number of Na* ions in 1 mol of NaCliag) d. all of the above

Q: Ali, with lodine, where the mole ratio between Atl to polyatomic At is 2:1. If the yield is 100%,…

A: First Calculate mole by dividing molar moas to mass. Then use mole -mole relationship to get answers…

Q: 24) Which of the following compounds contains the largest number of atoms? A) 1.00 mole of H,PO, C)…

A:

Q: Match equal numbers of moles 0.00567 mole He 1. 22.7 mg He 0.00293 mole He 2. 58.9 mL He 3. 25.0 mL…

A:

Q: Part B: NazCO; Reaction: 1. Determine the experimental mole-to-mole ratio of NazCO3 to NaCl from…

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

Q: Caproic acid, which is responsible for the foul odor of dirty socks, is composed of C, H, and O…

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only.…

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

A:

Q: Why is the mole an important unit to chemists?

A:

Q: Part C How many moles of nitrogen are in 9.0×10−2 mole of quinine?

A: Given, Quinine having Chemical formula: C20H24N2O2  Given Moles of quinine = 9.0 x10-2 moles Moles…

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: a. How many molecules of dinitrogen monoxide are present in 4.63 moles of this compound?…

A: a) Given : Moles of dinitrogen monoxide i.e N2O = 4.63 mol.

Q: 2. 1 mole of Al2(SO4)3= g Al2(SO4)3=. moleculés Al2(SO4)3. 3. The recipe for making 1 mole of…

A: Given : Moles of Al2(SO4)3 = 1 mole

Q: Q2 Calculate the moles of magnesium in 1.25 grms of magnesium. Q2a.Use the mole of magnesium in…

A: Moles from the given mass can be determined by using the formula as; Moles=Given massMolecular mass…

Q: 8 moles of H2, 4 moles of He and 0.5 mole of O2 will have O the same number of atoms O the same…

A: A multiple choice question based on mole concept, which is to be accomplished.

Q: x, x A 2 A- T Normal I No Spac... Heading 1 Heading 2 Title Font Paragraph Styles 5. Ca:(PO4)2…

A:

Q: For items 3 and 4: SIO2 + 4HF SİF4 + 2H2O 3. What is the mole ratio of HF to SIF4? 4. What is the…

A: Number of moles is calculated by dividing given mass with molecular mass.

Q: 20. Determine the molar mass of NH3 and H2O. Then determine the number of moles of H2O in 6.01grams.…

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: 4 Fe + 3 O2 2 Fe2 O3 What is the mole ratio of Fe2 O3 to O2?? 4 to 3 2 to 3 3 to 2 O3 to 4

A: Given reaction is,  4 Fe + 3 O2 -> 2 Fe2O3 We need to determine molar ratio of Fe2O3 and O2 .

Q: what is the mole ratio between aluminum oxide and oxygen gas? 2Al2O3->4Al+3O2

A: The balanced chemical equation of ten above reaction ; 2Al2O3  --->   4Al + 3O2   From this above…

Q: A student weighs a 0.0103 g0.0103 g sample of magnesium metal. How many moles of magnesium does the…

A: The answer to the following question is given as:

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…

A:

Q: The number of atoms of oxygen in a 0.01800-g sample of O3(g) is equal to the number of molecules in…

A: Given in the question : Mass of O3 = 0.018 g Mass of other hydrocarbon sample CxH6 = 0.06085 g Given…

Q: N2 + 3 H2 → 2 NH3 if vou have 1 5 moles ofN. how many moles of NH

A: From the given reaction it has been seen that 1mol of N2 gives 2 mol of NH3.

Q: Part C How many moles are in 20.0 g of MgCl2 ? Express your answer to three significant figures.…

A: Mole concept:  A mole  is the quantity of a substance that contains atoms, molecules, ions,…

Q: 59: Determine the number of moles of Cl in 2.7 mol CaCl2

A:

Q: Determine the mass, in grams, of 0.725 moles of Pb (1 mol of Pb has a mass of 207.2 g).

A: We know,  Number of mole=given masss/molar mass Given mass=Number of moles x molar mass

Q: 6NO + 4NH3 --> 5N2 + 6H2O Mole ratio of NO to N2 NH3 to N2…

A:

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: How many moles are equal to 1.20 x 1024 atoms of sulfur (S)? Round to 2 decimal places.   a 0.20  b…

A:

Q: what is the mole ratio between: C and CO? C and CS2? SO2 and CO?

A: We need to write a balanced chemical equation first.  After that we can relate the mole ratio. For…

Q: How many moles of aluminum are in an aluminum block that meausres 3.00cm x 3.00 cm x 5.00cm? The…

A: Density: It is a ratio of mass of an object to its volume. Its SI unit is g / cm3. It creases with…

Q: 1. How many GRAMS of nitrogen are present in 4.54 moles of nitrogen monoxide ? grams. moles. 2. How…

A: Given, moles of nitrogen monoxide(NO) = 4.54 moles we can see that 1 moles of NO contains 1 moles of…

Q: How many atoms of Hydrogen are in 1.96 moles of Hydrogen?

A:

Q: F. Percent CaCO, in Mixture 1. Moles of CaCO, in sample from mol CO, generated (n See equation 13.1.…

A:

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: 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: The Avogadro constant is defined as: A The number of atoms in exactly 1gof carbon-12 B The number of…

A: Avogadro Constant : Avogadro number, number of units in one mole of any substance (defined as its…

Q: How many moles of H,O would be needed to make 2.5 moles of O,? * 2 H,0 – 2H, + 1 O, O 2.0 moles O…

A: The balanced reaction given is, => 2 H2O -----> 2 H2 + 1 O2  Given : Moles of O2 produced =…

Q: How many moles of zinc ( Zn ) are there in 45.6 grams of zinc? A. 0.697 moles B. 1.39 moles C. 0.349…

A:

Q: Part a) Mr. Scholl likes to grow tomatoes in his backyard garden. Last year he grew a 6.27 × 10 to…

A:

Q: What is the mass of 4.9 moles of N2O5?   a.   52.92g   b.   5.292g   c.   0.5292g…

A: We have given the moles of N2O5 = 4.9 mole

Q: One mole of pure hydrochloric acid, HCl, requires 100 g of 80% pure NaOH to neutralize. The mass of…

A: The neutralization reaction between HCl and NaOH is: NaOH+HCl→NaCl+H2O According to the above…

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: Determine the mass of 4.6 moles of ammonium chloride

A: Given, Ammonium Chloride  Formula :: NH4Cl

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

A:

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…

A:

Q: Determine the mass, in grams, of 0.295 moles of Mn

A: Given :- number of moles of Mn = 0.295 mol  To calculate :- mass of Mn (in g)