Tia has a sample of pure gold (Au). She weighed the sample and the result was 96.896.8 grams. Tia wants to determine the number of atoms in the sample. Calculate the number of atoms in 96.896.8 g of pure gold.

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: Determine the mass in grams of 8.72 × 10²¹ atoms of barium. (The mass of one mole of barium is…

A: We have 8.72*1021 atoms of Ba. Mass of one mole of Ba is 137.33 g We have to calculate the mass of…

Q: How many atoms of chlorine are in 6.85 g of chlorine

A:

Q: A copper ring is composed of 1.45×1023 atoms.1.45×1023 atoms. Calculate the mass of the ring in…

A: The mass of the ring in grams is to be calculated

Q: Determine the mass in grams of 7.56 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A:

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: A sample of C, H, contains 4.69 x 1024 H atoms. How many carbon atoms does the sample contain?…

A:

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: In a laboratory experiment, an undergraduate student collected a sample of ammonium phosphate. If…

A:

Q: Determine the mass in grams of 6.77 × 10²¹ atoms of arsenic. (The mass of one mole of arsenic is…

A: We have to determine the mass in grams of 6.77 × 10²¹ atoms of arsenic. (The mass of one mole of…

Q: Determine the mass in grams of 6.04 × 10²¹ atoms of barium. (The mass of one mole of barium is…

A: Given data,Number of atoms of Ba=6.04×1021atomsMolar mass of Ba=137.33g/mol

Q: Determine the mass in grams of 4.83 × 10²¹ atoms of barium

A: Given :- number of atoms of Ba = 4.83 × 1021 atoms  Mass of 1 mol Ba = 137.33 g  To calculate :-…

Q: Determine the mass in grams of 6.96 × 102¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A: Mole is defined as mass of substance divide by it's molar mass

Q: Determine the mass in grams of 5.51 × 10²¹ atoms of arsenic. (The mass of one mole of arsenic is…

A:

Q: A sample of C,H, has 9.28 x 1024 H atoms. How many carbon atoms does the sample contain? number of…

A: The amount of substance is usually defined in terms of mole. The mole is the SI unit of the quantity…

Q: Determine the mass in grams of 7.21 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

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

Q: Determine the mass in grams of 6.63 × 10²¹ atoms of barium. (The mass of one mole of barium is…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: A sample of lead contains 8.88 x 1015 micrograms. How many atoms does this sample contain?

A:

Q: Determine the mass in grams of 7.98 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A:

Q: Determine the mass in grams of 5.79 × 10²¹ atoms of barium. (The mass of one mole of barium is…

A: Given no. Of atoms of barium = 5.79 x 10²¹  1 mole of barium = 137.33 g

Q: Determine the mass in grams of 7.75 x 1021 atoms of carbon. (The mass of one mole of carbon is 12.01…

A: Given,the mass of one mole of carbon = 12.01 gNumber of carbon atoms = 7.75×1021 atomsHere, we are…

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: Determine the mass in grams of 6.03 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A: The given mass of 1 mole of carbon atoms = 12.01 g So, the mass of 6.022×1023 atoms of carbon =…

Q: Determine the mass in grams of 7.94 × 10²¹ atoms of zinc. (The mass of one mole of zinc is 65.39 g.)

A: Given : Mass of 1 mole of Zinc = 65.39 g And number of atoms of Zinc = 7.94 X 1021 atoms.

Q: Determine the mass in grams of 6.65 × 10²¹ atoms of barium. (The mass of one mole of barium is…

A: The mass in grams of 6.65 × 10²¹ atoms of barium has to be determined provided that the mass of one…

Q: Determine the mass in grams of 4.52x10^21 atoms of arsenic. (The mass of one mole of arsenic is…

A:

Q: Determine the mass in grams of 8.71 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A: The number of moles of a substance is determined as the number of molecules, atoms or ions upon the…

Q: You are given 1.0g samples of Iron (Fe), Silicon (Si), and Lithium (Li). Which of the three samples…

A: Applying mole concept and avogadro concept.

Q: Stainless steel is composed of iron, manganese, chromium, and nickel. If a 2.00 g sample was…

A:

Q: What is the mass of 6.42 × 1023 Al atoms? (Provide your answer with the correct number of…

A:

Q: Tia has a sample of pure gold (Au). She weighed the sample and the result was 84.784.7 grams. Tia…

A: First of all calculate the number of moles of gold by using formula- mole = mass/molar mass then…

Q: An analytical chemist measures the amount of Elements E, and E₂ in four samples of an unknown…

A: Since the unknown substance, X contains elements E1 and E2, it can be either a compound of E1 and…

Q: Determine the mass in grams of 7.45 × 10²¹ atoms of barium. (The mass of one mole of barium is…

A: Given, Number of atoms of Barium = 7.45 × 10²¹ The mass of one mole of barium is 137.33 g

Q: Tia has a sample of pure gold (Au). She weighed the sample and the result was 85.2 grams. Tia wants…

A: Find the number of moles of gold present in the given sample. 196.967 g of gold forms 1 mole of…

Q: An oxygen atom has a mass of 2.6610−23g and a glass of water has a mass of 0.050kg. Use this…

A: The number of units in one mole of any substance is equal to Avogadro’s constant. Given: Mass of…

Q: Determine the mass in grams of 4.45 × 1021 atoms of arsenic.  (The mass of one mole of arsenic is…

A: Mole of a substance or a mole of a particles is defined as exactly 6×10^23 particles which may be…

Q: Bromine (atomic mass 79.904 amu) consists of 2 different naturally occurring isotopes, Br-79 (atomic…

A: .Bromine consist of two isotopes 79Br and 81Br.     79Br⇒78.9193 amu.     81Br⇒80.9163 amu…

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.