A sample of Hg weighs 90.9 grams. Will a sample of Rb that contains the same number of atoms weigh more or less than 90.9 grams? (more, less): fill in the blank 1 Calculate the mass of a sample of Rb that contains the same number of atoms.  grams of Rb

Q: A sample of C₂ H₂ has 4.40 × 1024 H atoms. How many carbon atoms does the sample contain? number of…

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Q: .........grams of zinc arsenite contains 4.5 x 1024 atoms of arsenic.

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Q: A sample of hydrogen contains 35.3 grams. 1. How many moles of H atoms are there in the sample? 2.…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: Antimony has two naturally occuring isotopes, Sb121Sb121 and Sb123Sb123. Sb121Sb121 has an atomic…

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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: If 5.180 g of a pure element contains 4.909×1022 atoms, what is the element? The element is: (Enter…

A: 1 mole = 6.022 x 1023 entitiesMass of 1 mole = molar mass

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: What is the mass in grams 1.46 x 10^24 of atoms of krypton? a. _____grams b.  How many krypton…

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Q: 4) How many atoms of carbon are in 10 grams of carbon dioxide2 5) What is the mass of water if it…

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Q: Which of the following samples of gases contains the greatest number of atoms? (Relative atomic…

A: 4th option is correct that is 13.0 g of C2H6

Q: A sample of Al weighs 52.0 grams. Will a sample of Hg that contains the same number of atoms weigh…

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Q: Which of the following formula and chemical name combinations is correctly shown? A B D N₂O₂;…

A: Given different chemical formula and their corresponding names. We need to identify the correct pair…

Q: If 6.045 g of a pure element contains 3.991x1022 atoms, what is the element? The element is: (Enter…

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Q: You have 1 mole of oxygen (O₂) gas and 1 mole of ammonia (NH3). Which has more mass? 1 mole of…

A: We are given 1 mole each of Oxygen gas, O2 , and ammonia, NH3.

Q: How many grams of Kr are there in a sample of Kr that contains 6.43×1023 atoms? A sample of Xe…

A: Hello. Since multiple questions have been posted and the questions which need to be solved haven’t…

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: 10. Copper has two naturally occurring isotopes, 6Cu (isotopic mass = 62.9296 amu) and 6Cu (isotopic…

A: Atoms of the same element having same atomic number but different mass number are called as…

Q: A sample of Cs weighs 88.1 grams. Will a sample of Ti that contains the same number of atoms weigh…

A: Using the relationship between given mass and molar mass, the number of moles of a substance can be…

Q: The average atomic mass of carbon is 12.011 amu. Assuming you were able to pick up only one carbon…

A: Given that, the average mass of carbon is 12.011 a.m.u. The given mass of any of the carbon isotopes…

Q: A sample of Fe weighs 37.2 grams. Will a sample of S that contains the same number of atoms weigh…

A: Weight of Fe sample = 37.2g Atomic mass of Fe = Atomic mass of S = Avogadro's Number =

Q: A sample of Ni weighs 73.6 grams. Will a sample of Ag that contains the same number of atoms weigh…

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Q: Indicate the element and the # of atoms of that element present in 2 molecules of acetic acid…

A: Given :- chemical formula of acetic acid is CH3COOH  To calculate: number of atoms of each element…

Q: 5. Find the mass in grams of each of the following. a) 1 gold atom b) 6.02 X 1023 He atoms

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Q: The density of MgO is 3.6 g/cm3. The atomic masses of magnesium and oxygen are 24.31 g, and 16 g,…

A: Given that Density of MgO = 3.6 g/cm3 Molecular weight of MgO = (1* 24.31) + (1 *16) = 40.31 g/mol

Q: In Alice's Wonderland, every element is different from those in our world. There is a pure unknown…

A: to find out, the empirical and molecular formula, first we need to moles of each element present in…

Q: Which of the following contains the MOST atoms? You shouldn't need to do a calculation here. A. 10.0…

A: Generally the no. of atoms present in some sample is obtained by dividing the sample weight by the…

Q: Determine the number of atoms of O in 11.8 grams of C6H12O6.

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

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Q: An average stick of chalk (CaCO3) has a mass of 20.03g. How many grams of each element makes up this…

A: The molar mass of CaCO3 is 100.09 gm/mol. We can calculate the % composition of each element in…

Q: 2.A student says,“A carbon atom is not the smallest possible amount of carbon, because atoms are…

A: Atoms are made up of smaller particles like electrons, protons and neutrons. Similarly, a carbon…

Q: On earth, tin has 10 different stable isotopes. The heaviest, 124 Sn makes up 5.80% of naturally…

A: Isotopes are atoms of the same element that have same number of protons and different number of…

Q: A sample of Si weighs 54.8 grams. Will a sample of Ba that contains the same number of atoms weigh…

A: Answer: Since, 1 mole is always equal to 6.022×1023, therefore same number of atoms will always be…

Q: How many gold atoms are in a 0.500 ounce, 18 K gold bracelet? (18 K gold is 75% gold by mass.)…

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Q: A sample of Co weighs 77.2 grams. Will a sample of Sn that contains the same number of atoms weigh…

A: Weight of Co sample = 77.2 g Atomic mass of Cobalt = 58.93 amu Atomic mass of Sn = 118.7 amu

Q: A certain sample of octane fuel (C8H18) was analyzed and found to contain 1.8 x 1024 hydrogen atoms.…

A: Octane is a hydrocarbon of alkane category. Its general formula is CnH2n+2 where n is an integer.The…

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.