which contains more atoms, 1 gram on gold or 1 gram of silver? explain please

Q: help

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A: Given that,  No. of moles of Ca= 2 mole No. Of atoms?

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A: A sample of aluminum foil contains 7.80×1023 atoms. The mass of the foil is to be calculated.

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A: Calculation of mass of Helium: Mass=Volume×density=2.91 L×1.18 g/L=3.4338 g Calculation of no. of…

Q: if a penny is made of 2.56 grams of copper, how many atoms of copper are in the penny?

A: Answer:- This question is answered by using the simple concept of calculation of number of atoms…

Q: How many gold atoms do you have if you have 410 grams of gold?

A: A mole is a unit for the measurement of the amount of the substance. No. of moles of an element =…

Q: How many carbon atoms are there in 11.4 kg sample of carbon

A:

Q: How many atoms of Helium can a balloon that has a 25 cm diameter hold? The density of Helium is 1.18…

A: The mole (abbreviated mol) is the SI measure of quantity of a “chemical entity,” such as atoms,…

Q: A pure silver sphere has a radius of 0.886 cm. How many silver atoms does it contain? (volume of a…

A: Calculate the volume of the silver sphere,      Volume of silver sphere = 43 π r3= 43 × 227 × (0.886…

Q: In the summer of 2010, platinum (195.078 g/mol) sold for $1,500/oz. One ounce is equal to 28.35 g.…

A: Given: Molar mass of platinum = 195.078 g/mol Cost of platinum            = $1500/oz One ounce…

Q: Question 31 A 25.00 g sample of an element contains 2.895 x 1023 atoms. Identify the element. OS O…

A:

Q: How many atoms are there in 182 g of Neodymium?

A: Atomic mass of Nd = 144.2 g/ mol

Q: 5) The symbol of the element in Group 4 and Period 3 is. 6) The elements sodium, magnesium, and…

A: 5) Group 4 and period 36) Sodium,Magnesium and SiliconTo Calculate Symbol of elementSimilarity in…

Q: If a penny is made of 2.56 grams of Copper, How many atoms of copper are in the penny?

A:

Q: How many Se atoms are there in a 82.1 gram sample of Se ?

A:

Q: estion 19 A 20.0 g sample of an element contains 4.95 x 1023 atoms. Identify the element. O Mg O Fe…

A:

Q: An unknown element X has the following isotopes: ²⁵X (80.5% abundant) and ²⁷X (19.5% abundant). What…

A: Given :  element X has the isotopes: ²⁵X (80.5% abundant) and ²⁷X (19.5% abundant).  Since Atomic…

Q: How many grams of Mg are there in a sample of Mg that contains 6.21x1023 atoms? grams

A: The amount of Mg present can be calculated as

Q: A toy top has a mass of 32.0 g Cu. How many atoms Cu are in this spinning top, given that the…

A: Given information: Mass of Cu = 32.0 g Molar mass of Cu = 63.55 g/mol

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A: We need to find the number of atoms of gold in a cube of gold that is 1.00 cm on each side. We know…

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Q: How many atoms are in 28.0 grams of magnesium?

A:

Q: How many Chlorine atoms are there in phosgene?

A: Phosgene is a colorless gas having molar mass equals to 98.92 g/mol. It is a suffocating gas.

Q: in a 63.17 gram sample of sulfur trioxide, how much of it is sulfur?

A: SO3 is an acidic oxide.

Q: A toy top has a mass of 32.0g Cu. How many atoms Cu are in the spinning top, given that the average…

A: Given information: Mass of Cu = 32.0 g Molar mass of Cu = 63.55 g/mol

Q: 1. What is the mass of 4.50x1023 atoms of magnesium? grams 2. How many magnesium atoms are there in…

A: To solve this problem we have to calculate the mass of Mg and atoms of Mg

Q: A pure titanium cube has an edge length of 2.78 in. How many titanium atoms does it contain?…

A: Given information: Edge length of the cube = 2.78 in Density of titanium = 4.50 g/cm3

Q: Consider the mass of Sulfur and Fluorine in compound A (16.6 g S, 9.80 g F) and compound B (23.2 g…

A: According to atomic theory the atoms do no react in arbitrary numbers but in multiples of fixed…

Q: uestion 16 of 27 > atomic mass of 122.9042 u. Antimony has an average atomic mass of 121.7601 u.…

A: The atomic mass of an element is the weighted average of the masses of its isotopes. We know that,…

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A:

Q: If a penny is made of 3.11 grams of copper, how many atoms of copper are there in the penny?…

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Q: You have a 4cmx1cmx1cm sample of iron. How many atoms  are in it? L

A: given there  volume of the iron (Fe)= 4×1×1 = 4cm3density of the iron(Fe) =7.874 g/cm³ (near room…

Q: y grams

A:

Q: 442, and Z. find the isotopic abundance of each isotop. Question 3: Atom Z has 2 isotops: the…

A: Answer: Isotope are the different forms of a chemical element with same atomic number but different…

Q: how many atoms at there in 63.55 grams of copper?

A:

Q: An 0.355 mol sample of a metal has a mass of 24.75 g. What is the mass of one atom of the element?…

A: Given: Moles of metal = 0.355 mol. And the mass of metal sample = 24.75 g.

Q: A sample of Ti weighs 79.2 grams. Will a sample of Xe that contains the same number of atoms weigh…

A: Given: weight of Ti=79.2 g The molar mass of Ti=47.867g/mol We need to calculate the total number of…

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.