Elements in Compound Masses of Elements 1. X and Y X= 0.4 g, Y = 4.2 g 2. Y and Z Y = 1.4 g, Z = 1.0 g 3. X and Y X= 2.0 g, Y = 7.0 g

Q: • Part D Based on your answer in Part B, how many neutrons are in this amount of C? Express your…

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Q: The compound(NH4)2 S2 O3, Which element is present in the largest percent by mass? A. N B. S C. O…

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Q: Which one of the following statements about oxalic acid is TRUE? Select one: O a. One mole of oxalic…

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Q: What number of atoms of nitrogen are present in 3.54 g of each of the following? a. glycine: C2H5…

A: Given, Calculate the number of atoms of Nitrogen are present in 3.54 grams of each of the following:…

Q: The composition of a commercial cold remedy mixture is 87% aspirin, 7% caffeine, 6% vitamin C. What…

A: Mass of mixture that contains 5 g Caffeine = ? % of aspirin = 87 % % of caffeine = 7% % of vitamin C…

Q: Sort the molecular compounds in the table into groups with the same empirical chemical formula. .…

A: Here we are required to group the compound which have same empirical formula.

Q: please write together with its units.

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Q: The empirical formula of a group of elements is:      a. The simplest whole number ratio of atoms…

A: Empirical formula of any compound is defined as the simplest whole number ratio of atoms present in…

Q: Calculate mass (in grams) of sodium in 8.5 g of each sodium- containing food additive. a. NaCl…

A: Since you are asked for multiple sub-parts , we are entitled to solve first three.

Q: mass

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Q: How many moles of Al are present in 5 moles of Al₂S3 ?

A: Answer: This question is based on stoichiometric calculation where moles of Al2S3 needs to be…

Q: 1.aDo a mole of Na and a mole of NaCl contain the same number of Na atoms ? Explain your answer .…

A: Same moles of any particle will have same number of that particles .

Q: 2. A sample of 2 tsp of sugar (C12H22O11) weighs 9.00 g. a. Record each step needed to calculate the…

A: a. Given that: Mass of sugar = 9.00 g. Molar mass of C12H22O11 = 12×12 + 22×1 + 11×16Molar mass of…

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A: Step 1:-    First calculate number of moles of oxygen atoms in  12.34 mg of aluminum chlorate.Mass…

Q: 8. (The density of liquid mercury at room temperature is 13.545 g/cm³. How many Hg atoms are present…

A: Given,Density of mercury ( Hg ) = 13.545 g/cm3Volume of mercury ( Hg ) = 1.00 gallonMolar mass of Hg…

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

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Q: 6. The density of copper is 8.96g/cm³ at 25°C. Determine its density in kg/m³. 7. How mot enos al…

A: Given data :  6) density of Cu = 8.96 g/cm3  7) moles of Zn = 0.750mol  Conversions used :  1 g =…

Q: • Part A How many moles of atoms are in 7.00 g of 1C? Express your answer numerically in moles. >…

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Q: A compound contains C, H and O as the elements.   A 20.0 g-sample is comprised of 1.34 g H and also…

A: Given that the mass of C and H in a compound of mass 20.0 g is 1.34 g and 8.00 g respectively. Mass…

Q: An unknown chemical compound made of C, H, and O is found to have the following mass percent values:…

A: Empirical formula of a compound is expressed by the ratio of minimum number of atoms of each…

Q: How many ions of S are present in 5 moles of Al2S3? [x 10¹ Sions X Make sure your answer is in…

A: The question is based on mole concept. we have to calculate number of ions present in given quantity…

Q: 3. If you had 5.4 moles of copper, how many atoms would you expect to have? Tf vou bad 25 melec of…

A: Given that: Moles of Copper = 5.4 moles Molar mass of Cu = 63.5 g/mol

Q: 8.* A 4.00 gram sample of a hydrate of nickel(II) bromide loses 0.793 grams of water when heated.…

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Q: A compound is found to contain 25.24 % sulfur and 74.76 % fluorine by mass. What is the empirical…

A: To calculate the empirical formula of the compound that contains 25.24% sulfur and 74.76% fluorine…

Q: H₂O C. CH4 burning Q13. The correct name of HI(aq) is? A. lodic acid C. Hydrogen iodide D. Benzene…

A: Q. 13 as specified by the student.  Correct name of HI(aq) is :

Q: Calculate the mass of 500. atoms of  fluorine (F). Mass =______  g

A: One mole of a substance is equal to 6.023 x 1023 units of that substance  (such as atoms, ions or…

Q: Upon burning Mg in air, magnesium oxide and magnesium nitride are formed. The correct statement…

A: The correct statement about magnesium nitride is given below

Q: Find the number of molecules in the following 56.58 g of CO, 2.16 g of NaCI 133.27 g of CF, 25.61 g…

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Q: What number of atoms of nitrogen are present in 3.54 g of each of the following? a. glycine: C2H5…

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Q: Given the following imaginary elements and average atomic masses, calculate the molar mass of the…

A: Given compound is AX2R3 Given atomic mass of A 37. 89                                         X…

Q: sample of 2 tsp of sugar (C12H22O11) weighs 9.00 g. a. Record each step needed to calculate the…

A: We have given that  A sample of 2 tsp of sugar (C12H22O11) weighs 9.00 g  calculate the moles and…

Q: Given the following imaginary elements and average atomic masses, calculate the molar mass of the…

A: Given compound is A2DR4given atomic mass of A        19.32D         96.18R         20.20X…

Q: Molar mass is defined as: a. the mass of one mole of a substance in grams. b. the mass of one gram…

A: option a

Q: d.) e.) OsO4 (cat amount) t-Butyl alcohol, peroxide 1.03 2. H₂02

A: OsO4 is used for syn-dihydroxylation of double bond.Alkene reacts with ozone followed by treatment…

Q: What number of atoms of nitrogen are present in 6.19 g of each a. glycine: C2 H; O2N atoms N

A: Moles of any compound or molecule is found by the formula mass of molecule divided by its molar mass…

Q: Determine the number of moles in 2.58 kg of lithium Sulfate (Li₂ sou) Balance this equation: -NH3t…

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Q: 2. How many grams of aspirin (C,H3O4) are present in 7.95 102 molecules of C,H;O4. The answer is

A: Molar mass of aspirin = 180.16 g/mol  It means 1 mol of aspirin has= 180.16 g  1 mol of any compound…

Q: 83. Many famous “rubies” are in fact spinels, which look like rubies but are far less valuable.…

A: Few questions based on mole concept, which are to be accomplished.

Q: Complete the table below for calculating the molar mass of the compound sulfur hexafluoride .…

A: Different type of atoms have different atomic masses and sum of atomic masses present in any…

Q: Name: NetID: 1. What is the molecular mass (in amu) and molar mass (in g mol) for chloroform…

A: We know that  Molar mass : The molar mass is the sum of mass of each element (g) present in Compound…

Q: 4. chlorine dioxide a. CIO b. Cl2O c. CIO2 d. Cl202 5. dinitrogen trioxide c. NO d. NO3 a. N3O2 b.…

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Q: Q9. Nitrogen is a highly reactive element and has many forms of oxides and nitrogen content of these…

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Q: a. Use the average atomic mass to calculate the number of moles of the element present in 6.70 g of…

A: a) given, mass of neon = 6.70 g Number of moles of neon = ? Note: Atomic mass of neon = 20.18 g/mol

Q: Mass percentage

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.