If a sample contained 9.65 x 1023 atoms of iodine, how many grams would this be? Round to one decimal point.

Q: How many atoms of silver are in a bracelet that weighs 34.0 g? O 1.1 x 1023 O 1.1 x 106 O 1.9 x 1023…

A: We have to calculate the number of atoms.

Q: Suppose you measure out 5.00 x 1022 atoms of aluminum in the form of a solid nugget on the balance.…

A: The formula for the conversion from atoms to moles is : => moles = number of atoms given / 6.022…

Q: Determine the mass in grams of 5.28 × 10²¹ atoms of barium. (The mass of one mole of barium is…

A: Given, Number of barium atoms =5.28×1021 atomsmass of one mole of barium =137.33 gwe are asked to…

Q: Macmillan Learning Calculate the mass in grams of 2.13 × 1024 molecules of propane. The chemical…

A: Molecules of propane is given and we have to find mass of propane.

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: A solid circular cone made of pure platinum (density = 21.45 g/cm3) has a diameter of 2.75 cm and a…

A: Given information,    Diameter (d) = 2.75 cm so radius (r) = 1.375 cm     Density = 21.45 g/cm3…

Q: 19.78 mL of bromine contains 6.022 x 1023 bromine molecules. How many bromine atoms are in 3.00 L of…

A: Given -> Volume (V1) = 19.78 ml = 0.01978 L (1L = 1000 ml) Number of bromine molecules in V1=…

Q: The fuel used in many disposable lighters is liquid butane, C4H10. Butane has a molecular weight of…

A: Molar mass of any element is equal to the atomic mass of that element in the unit of grams. Molar…

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

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Q: The density of gold metal is 19.3 g/cm3, while that for silver is 10.5 g/cm3. Suppose you had the…

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

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Q: An unknown compound has the following chemical formula: N_xO where x stands for a whole number.…

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Q: sample of calcium nitride has a mass of 6.78g. How many particles does it contain?  round to 2…

A: Given Calcium nitrate mass 6.78 g Calcium nitrate  molecule formula = Ca3N2 Number of particle = ?

Q: A sample of mercury(I) nitride weighs 3.33 dg.  How many nitrogen atoms are in this sample?The…

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: If a sample contained 9.65 x 1023 atoms of iodine, how many grams would this be? Round to one…

A:

Q: How much does it weigh in grams

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Q: The molecular formula of rimantadine is C12H21N.    How many carbon atoms are in 80.44 grams of…

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

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: Calculate the number of grams of sodium in 2.20 g of this sodium-containing food additive.…

A: Given, mass of sodium benzoate (NaC7H5O2) = 2.20 g mass of sodium (Na) = ? Note: molar mass of…

Q: What is the mass in grams of 1.37 × 1016 chromium atoms? Put your answer in box in scientific…

A: Given: Number of chromium atoms, Cr = 1.37 × 1016 atoms.

Q: A sample of a compound has a mass of 42.66 g with 1.06 x 10-1 mol. What is the molecular mass of the…

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Q: 3. carbon occurs in nature in the form of two isotopes: 120 and 130. Calculate the percentage of…

A: The formula used for average atomic mass (AAM)    AAM = ∑ isotopic mass x abundance /100 Where…

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

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Q: How many moles Fe(OH)3 are there in 229 g of Fe(OH)3? Round your answer to 2 decimals.

A: Given mass of ferric hydroxide (Fe(OH)3 ) is  229 grams.

Q: Rubidium has two naturally occurring isotopes, Rb-85 (mass 84.912 amu) and Rb-87 (mass 86.909 amu).…

A:

Q: The scuba tank of oxygen gas weighs about 16 kg. How many atoms of oxygen gas (O2) are there in the…

A: Molar mass of oxygen gas(O2) is 32 g/mol

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: Determine the mass, in grams, of 0.452 moles of lithium fluoride.  Record your answer to three…

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Q: What is the mass in grams of 4.90 x 10^12 lead (Pb) atoms? Be sure your answer has the correct…

A: No. of atoms of Pb = 4.9 x 1012 atoms.

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: The formula for carbon monoxide is CO. a. How many molecules are in 7.67 grams of carbon monoxide?…

A:

Q: 6. This Magnesium top by ForeverspinTM weighs merely 6g. a) Write the weight of this top in…

A: The question is based on mole concept. We have to determine number of particles present in 6 gram of…

Q: 4.8×1025 O3O3 molecules Express your answer using two significant figures.   Calculate the mass in…

A: Check the relation for molecules to moles and then convert that moles into the mass.

Q: Calculate the number of atoms in 1.02 × 10¯º moles of helium. x 10 atoms (Enter your answer in…

A:

Q: A sample of zinc sulfide having a mass of 3.04 g was analyzed and found to contain 1.00 g of sulfur,…

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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 7.57 x 10 atoms of zinc. (The mass of one mole of zinc is 65.39 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.