You time travel 100 years into the future and learn that several new elements have been discovered, as pictured. These elements are frequently found as oxides, and need to be separated in order to extract the pure element. Before going through this effort, it is useful to know what amount of the element can be extracted. How many moles of element A can be extracted from 175 grams of A5012?

Q: Tin, element 50 on the periodic table, has 10 stable isotopes. 117^Sn makes up 7.687% of naturally…

A: Using the formula moles of Sn117 is calculated as,

Q: C. What is the mass (in grams) of 5.03 × 1022 molecules of CO2 molecules?

A: Number of molecules of any species is given by, => Number of molecules = moles X Avogadro's…

Q: What is the mass, in grams, of 8.52 × 10 15 atoms of gold present in one nanoparticle?

A: given, atoms of gold present in one nanoparticle = 8.52 × 10 15 atoms the molar mass of gold, Au =…

Q: A beaker contains 5.75 x 1024 molecules of ethanol. How many moles of ethanol are there in a beaker?

A:

Q: Lithium has two stable isotopes, 6Li and 7Li. If a sample is composed of 48.0% of the lighter…

A: Average mass of an element is defined as the atomic mass of the element calculated by multiplying…

Q: What is the mass (in grams) of 8.10 x 1023 molecules of C6H12O6 ? Remember to report proper number…

A: In multiplication and division we report final answer to least significant figures in available…

Q: How many moles of C (to two decimal places) are found in 6.87 x 1024 C atoms?

A: Given,The number of carbon (C) atoms = 6.87 x 1024  C atoms.

Q: Which of the following setups would you use to obtain the number of O atoms in 86.8g of Cr(NO3)3?

A:

Q: How many moles of calcium atoms do you have if you have 4.98 x 10^21 atoms of calcium. (The mass of…

A:

Q: The reaction between potassium chlorate and red phosphorus takes place when you strike a match on a…

A:

Q: What is the mass of 5.58 x 10^23 molecules of carbon tetrachloride?

A:

Q: What is the mass, in micro grams, of 8.9 x 10^15 atoms of cobalt?

A: The number of units present is the one mole of a substance is equal to 6.02214×1023 are termed as…

Q: The element silver (Ag) has two naturally occurring isotopes: 109Ag and 107Ag with a mass of 106.905…

A: Average mass = [(mass)1 × % abundance + (mass)2 × % abundance ] / 100   …(1) Average atomic mass…

Q: For the compound Ca10(PO4)6(OH)2, what is the molar mass? How many atoms of P are in 35.00 grams of…

A: For molar mass of compound, we should know molar mass of its constituents.

Q: How many moles of calcium atoms do you have if you have 2.85 x 1021 atoms of calcium. (The mass of…

A: The Answer to the following Question is given as:

Q: What is the mass of 8.3 x 10^23 molecules of ibruprofen (C13H18O2 )?

A: Given data, Number of molecules of ibruprofen =8.3x1023 It is known that, one mole of a substance…

Q: What is the mass (grams) of 6.52 x 1018 atoms of gold (Au)?

A: Given that, 6.52×1018 atoms of gold. We have to calculate the mass of that gold. Concept:  We know…

Q: What is the mass of 2.9 × 10^26 molecules of dinitrogen pentoxide, N2O5(g)?

A: Molecules of N2O5 = 2.9 x 1026

Q: you have 1.500 moles of an unknown metallic element. You go to the balance, and find that the mass…

A: Number of Moles of the Unknown Element = 1.500 moles Mass of the Element = 161.80 g   In order to…

Q: What is the mass in kilograms (kg) of 4.29 X 1024 atoms of palladium?

A:

Q: Chemistry Question

A:

Q: If an air conditioning unit is charged with 4.9 x 1023 molecules of R-113 (C5Cl3F6), what mass of…

A: Given : Number of molecules of C5Cl3F6 = 4.9 X 1023

Q: What is the mass in grams of 9.76 × 1012 atoms of naturally occurring potassium?

A: mass = 6.32 x 10-10 g

Q: Provide the chemical formula (including brackets where appropriate) or systematic name for the…

A: Given : Number of molecules of molecular chlorine = 5 x 1023

Q: What is the mass in grams of 2.00 × 105 atoms of naturally occurring neon?

A: Given : Number of atoms of neon i.e Ne = 2.00 X 105 atoms.

Q: natural rubidium has the average mass of 85.4678 AMU and is composed of isotopes Rb 85 (mass =…

A: Average atomic mass = ∑i=1XiMiWhere X = mole fraction of the isotope and M is the mass of the…

Q: How many moles would 1.00 x 10^23 molecules of methane(CH4) represent

A: Given  Number of molecule of CH4  = 1 × 1023 molecule  Number of mole = ?

Q: If you had 21.5 moles of silicon, how many atoms would you expect to have? And If you had 5.69 x…

A:

Q: An alloy consists of 240.03 grams of copper and 0.839 kilograms of gold. If the atomic weights of Cu…

A: First calculate the mole of both metal in alloy than for mole percentage of copper  take ratio of…

Q: The molar mass of platinum is 195.08 g/mol. What is the mass of 1.00 × 102 Pt atoms?

A: Given information: Molar mass of Pt = 195.08 g/mol Atoms of platinum = 1.00 × 102

Q: What element has 3.63*10^23 atoms in 6.52 g of material

A: Given, No of atoms in the element = 3.63×1023mass of element = 6.52 g

Q: Calculate the mass of 3.62 x 104 molecules of glucose (C,H1206).

A: Given that :Molecules of glucose (C6H12O6) = 3.62×1024 molecules Mass of glucose =?

Q: Balance the equation below, which uses imaginary elements (they still follow the usual convention –…

A: We have to balance the equation below, which uses imaginary elements (they still follow the usual…

Q: What is the mass of 4.78 X 1024 NO2 molecules?

A: Given :-  Number of molecules of NO2 = 4.78 X 1024  To be calculated :- mass (in g)

Q: 4. A student has been tasked to determine the percent water in thalium (III) nitrate, TI(NO3)3×H2O.…

A: On heating and consequently allowing the hydrate to stand in open air overnight allows the hydrate…

Q: What is the molecular weight of sugar, C6H12O6 in atomic mass units? And If you had one mole of…

A:

Q: What is the average atomic mass of halfnium if, out of every 100 atoms, 5 have mass 176.0, 19 have…

A:

Q: How many moles would 1.00 x 103 molecules of methane ( 1. CH4) represent?

A: Avogadro number (NA) 1 mole of a substance contains 6.02×1023 molecules 1 mole of O2 contains…

Q: The molecular formula of hexakis(methylthio)benzene is C12H18S6. What is the percentage (by mass) of…

A: We have to calculate the % by mass of C in hexakis(methylthio)benzene .

Q: What is the molar mass of C6H1206? Enter your answer rounded to four sig figs, without units.

A: Introduction: Molar mass: The molar mass of a compound is the mass of a sample in per unit mole. It…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.