Which of the following contains the MOST atoms? You shouldn't need to do a calculation here. A. 10.0 g Ne B. 10.0 g He C. 10.0 g Kr D. 10.0 g Mg E. 10.0 g Ar

Q: Convert the mass of zinc in the data table into moles of zinc using the atomic mass of zinc. Data…

A: We have given that  Mass of of zinc = 0.55g Molar mass of Zinc = 65.38g/mole  No of mole = Given…

Q: Calculate the percent by mass of each element in the following compounds to one decimal place. a.…

A: The Answers to both the questions are given as:

Q: a. What is the mass of 1.49 x 1024 atoms of chlorine? grams b. What is the mass of 9.12 x 1023…

A: a) mass of 1.49×1024 atoms of chlorine.

Q: represents tne A 27.29 g 6.41 g 27.29% C 17.09 g 72.71 g O2 72.71% 100% CO2 100.0 g CO2 23.5 g CO, |…

A:

Q: part 1) Iron pyrite, often called "fool’s gold," has the formula FeS2 . If you could convert 33.2 kg…

A:

Q: A sample of carbon dioxide is analyzed and determined to be 27.3% by mass carbon. If a 50.0 g sample…

A: Consider a compound AB  Percent of A = (Mass of A/Mass of AB) x 100  Law of conservation of mass:…

Q: How many grams of CH3CO2C5H11 must be weighed out to provide 3.22 x 1023 atoms of H? When you input…

A: Mole in terms of particles : 1 mol = 6.022 x1023 particles  where particles =…

Q: A pure titanium cube has an edge length of 2.85 inin . How many titanium atoms does it contain?…

A: Edge length of pure titanium cube = 2.85 in Density  of titanium = 4.50 g/cm3

Q: You have 10.0 g each of Na, C, Pb, Cu and Ne. Which contains the largest number of atoms? Na C Pb Cu…

A:

Q: A student has a sample of zinc that weighs 22.19 g How many zinc atoms are in this

A: Given :- mass of Zn = 22.19 g  To be calculated :- number of Zn  atoms  molar mass of Zn = 65.38…

Q: The formula for carbon monoxide is CO. a. How many molecules are in 3.35 grams of carbon monoxide?…

A: Given:The formula of carbon monoxide is COMass of CO = 3.35 gWe have to determine:(a) The number of…

Q: A chemist measures the amount of bromine liquid produced during an experiment. She finds that 658. g…

A: Given: Mass of bromine liquid produced - 658 g   To find: number of moles of bromine produced = ?…

Q: The element rhenium (Re) has two naturally occurring isotopes, 185 Re and 187 Re. Rhenium is 62.60%…

A:

Q: the amount o

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any…

Q: You have a 125-g sample of one of these substances. You determine that it is made of 16.7 g H, 75.0…

A: A chemical compound often comprises the same elements in very same compositions by mass, according…

Q: 1. What is the mass of 1.08x1024 atoms of tin ? 2. How many tin atoms are there in 42.0 grams of tin…

A: We simply convert the number of atoms to moles, and from moles to grams. We use Avogadro's number to…

Q: An analytical chemist measures the amount of Elements E, and E, in four samples of an unknown…

A: A pure substance has a definite chemical composition. A pure substance can be an element or a…

Q: When working in the lab, I take the mass of a sample of ammonium (NH3) and I find it to have a mass…

A: The mass of ammonia is = 45.74 g The mass of nitrogen is =? The mass of hydrogen is =?

Q: Let’s put the above values into the formula: V1 = 8.00 mol.L-1 × 2.42 L13.0 mol.L-1V1 = 8.00…

A: The dilution equation is expressed as C1×V1=C2×V2On rearranging the above equation to get V1…

Q: How many moles of iron atoms do you have if you have 4.10 x 1023 atoms of iron. (The mass of one…

A:

Q: 6. This Magnesium top by ForeverspinTM weighs merely 6g. a) Write the weight of this top in…

A: The question is based on mole concept. We have to determine number of particles present in 6 gram of…

Q: 14.255 g of a compound with the molecular formula C5H4N4 contains ______ carbon atoms. Report your…

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

Q: What mass of phosphorus is present in 25 g P4S3? A. 14g B. 4.5g C. 11g D. 3.2g E. 100g

A: Since the Atomic mass of P = 31 g/mol and Atomic mass of S = 32 g/mol Hence molar mass of P4S3 =…

Q: Determine the mass of sodium in 15.5 g of NaNO3.   a. 17.4 g   b. 0.298 g   c. 4.19 g   d.…

A: Given that,mass of NaNO3 = 15.5 g Molar mass of NaNO3 = 84.9947 g/mol moles of NaNO3 = (mass of…

Q: . What is the mass (grams) of 2500. carbon atoms?  2.  What is the mass (grams) of 6.52 x 1018…

A:

Q: How many atoms are there in each of the following substances? I.) 5.14 g P Express your answer…

A: molar mass of P   = 31 g/mol molar mass of Hg = 200.59 g/mol molar mass of Bi   = 200.98 g/mol molar…

Q: How many molecules are in 6.26 grams of sulfur dioxide? ______ molecules What is the mass in grams…

A:

Q: An analytical chemist measures the amount of Elements E, and E₂ in four samples of an unknown…

A: Since the unknown substance, X contains elements E1 and E2, it can be either a compound of E1 and…

Q: Calculate the mass of Na in 80.0 g NaCl. A. 31.5 g B. 6.2 g C. 40.0 g D. 1.9 g

A: molar mass of NaCl  =mass of Na +mass of Cl                                   =23+35.5…

Q: 5. Compound X is composed of 52.2% carbon, 13.0% hydrogen, and the rest oxygen, by mass. The…

A: Compound X contain C= 52.2%                                    H= 13%…

Q: 9. Calculate the number of molecules present in 4.29 g of nitrogen dioxide (NO2). Danie192.1 10.…

A: 9. Given data: The mass of nitrogen dioxide is 4.29 g. To find the number of molecules present in…

Q: Which has the greater number of particles, 3.011x1023 N2 molecules or 14.01 g N2 molecules? a.…

A:

Q: Determine the number of atoms in 53.0 grams of bromine, Br. (The mass of one mole of bromine is…

A:

Q: Determine the mass of the product from the following data.    Mass Aluminum Foil (g)      6.3284…

A: Given data,Mass of filter paper+product=86.2751gMass of filter paper=0.2489g

Q: Which of the following contains the largest number of atoms? Select one: a. 1.0 mol of water (H2O)…

A: The numbers of atoms present in any substance can be calculated by help of Avogadro's Number. One…