mass of an atom of gold in mm

Q: Pitchblende is the most important compound of uranium. Mass analysis of an 84.2-g sample shows that…

A: Elements are combined together in different molar ratios in order to form a compound.

Q: Is Au the symbol for gold?

A: Aurum is tge latin word for gold.

Q: nd contains 12.4g of hydrogen. What is the percent by mass of hydrogen in the compound?

A: Given A 37.1 g sample of an unknown compound contains 12.4g of hydrogen. What is the percent by mass…

Q: 1.2x10^23 gold atoms calculate into mass, in grams

A: Given:Number of gold atoms = 1.2 x 1023 atoms.Molar mass of gold (Au) = 199.97 g/mol.

Q: Calculate the mass in grams of each elemental sample.(a) 1.32 * 1020 uranium atoms(b) 2.55 * 1022…

A: Mole is defined as the ratio of given mass and molar mass. The unit of mole is mol. It is utilized…

Q: The mass of an atom of hydrogen is 1.673 x 10-24 g. How many atoms are in a 10.5 g sample of…

A: Given, Mass of a hydrogen atom = 1.673*10-24 g. Mass of sample = 10.5g.

Q: The mass of a single strontium atom is 1.46x10-22 grams. How many strontium atoms would there be in…

A:

Q: This picture represents * Atoms of an element O Molecules of an element O Molecules of a compound O…

A: Atoms are indivisible particles of matter. Elements that cannot be decomposed. Compound composed of…

Q: What is Kc?

A: Interpretation: The information about Kc is to be provided.

Q: A silver wire has a diameter of 0.500cm what length of the wire contains exactly 1.0×10²³ atoms of…

A: Given: Diameter of the wire = 0.500 cm  And the number of atoms of Ag wire = 1.0 X 1023 atoms.

Q: The total mass of the atoms in the letter I above is 1.963X10-21 g. Calculate the mass, in grams, of…

A:

Q: How many helium atoms are there in a helium blimp containing 537 kg of helium? Express the number of…

A: Given,Mass of helium = 537 kg                                   = 537 × 103 g     (1 kg = 103 g )…

Q: Determine the mass in grams of 7.52 x 10²1 atoms of barium. (The mass of one mole of barium is…

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

Q: A sample of aluminum foil contains 7.50 x 1023 atoms. What is the mass of the foil?

A: Given :- no. of atoms of Al = 7.50 × 1023 atoms  To be calculated :- mass of Al foil (in g)

Q: 2.5 million atoms of particular element have a mass of 8.33X10^-16 grams. What is this element?

A:

Q: A box contains a mixture of small copper spheres and small lead spheres that are the same size. The…

A: Given :   Total volume: 411 cm3  total mass : 4.34 kg Density of copper 8.96 g/cm3  density of lead…

Q: A pure titanium bicycle frame contains 1.61 x 10^25 titanium atoms. What is its mass in kilograms?

A: 1 mole of any substance contain 6.022 × 1023 unit of that substance. that substance may be atoms,…

Q: In a reaction, 34.0 g of chromium(III) oxide reacts with 12.1 g of aluminum to producechromium and…

A: Given data, The balanced chemical equation is given below, The mass of chromium(III) oxide = 34.0 g…

Q: A paticular vitamin's chemical formula has one cobalt atom. What is the mass of the vitamin if it…

A:

Q: The mass of an atom of hydrogen is 1.673 x 10-24 g. How many atoms are in a 10.8 g sample of…

A: Since mass of 1 H atom = 1.673 x 10-24 g Hence assuming in 10.8 g sample of hydrogen we have n…

Q: A tiny sample of gold contains  1.5 x 10^16 atoms. The mass of the gold sample is ______  μg.

A: Given the number of gold atoms, the tiny sample contains = 1.5*1016 atoms We have to find the mass…

Q: How many electrons is the element Strontium (Sr) likely to gain or lose?

A: Strontium is represented by Sr. The atomic number of Sr is 38. Sr Electronic configuration = [Kr]…

Q: Tia has a sample of pure gold (Au). She weighed the sample and the result was 10.810.8 grams. Tia…

A: Number of atoms = number of moles x 6.0224 x 1023 Number of moles = Mass/molar mass

Q: What is the mass of 7.004 x 10" molecules of calcium chloride? How many moles are in 9.83 x 10-…

A: Note: According to the rules we can answer only first three parts. Given: Molecules of calcium…

Q: The mass ratio of chlorine to the mass of copper is equal to 5.5. Another sample of copper chloride…

A: Introduction: The above question can be solved by using law of constant proportion which states…

Q: A mole of lithium atoms has a mass of 6.941grams What is the mass of one single lithium atom in…

A: Given,Molar mass of lithium = 6.941g

Q: The mass of an average neon atom is 20.2 atomic mass units. One atomic mass unit is equal to…

A: The term atomic mass unit can be defined as the unit of mass which is used to express the atomic or…

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

A:

Q: A slice of Pb metal contains 2.52 × 10¹2 atoms. What is the mass of the slice of Lead in amu? What…

A: Number of Pb atoms in one slice of Pb metal…

Q: The mass of the pycnometer with water is 30.5 g, while the mass of the pycnometer is 36.5 g. What is…

A: The mass of pycnometer with water = 30.5 g The mass of the pycnometer = 36.5 g The mass of water =…

Q: if an average fluorine atom has a mass of 3.82 x 10-23 g, what is the mass of a magnesium atom in…

A:

Q: A 7.57 g sample of calcium carbonate completely decomposes into calcium oxide (lime) and carbon…

A: A chemical reaction is a symbolic representation of the conversion of substances to new substances.…

Q: A 7.298 g sample of copper reacts with oxygen, forming a copper oxide. The final mass of the copper…

A: The formula of a compound can be determined by using the following steps Find the number of moles…

Q: The mass of a neutron is 1.6749×10−24 gg , and the mass of a proton is 1.6726×10−24 gg . What is the…

A:

Q: Calculate the mass in grams of each sample 1.1 x 10 to the power 23 gold atoms 1.8 x10 to the…

A: Avogadro's  number is a proportionality factor and gives the number of atoms, molecules or ions in…

Q: U-238 is naturally the most abundant form of uranium; however, only U-235 can be used as fuel in a…

A:

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.