How many moles of tin atoms are in a pure tin cup with mass of 38.1 g? a

Q: A helium balloon contains 0.46 g of helium. How manymoles of helium does it contain?

A: Mass of helium =  0.46 g Moles of helium = ?

Q: How many carbon atoms are in a diamond (pure carbon)with a mass of 38 mg?

A: The mass of diamond is 38 mg The molar mass of carbon is 12.01 g mol-1

Q: How many formula units of MgBr, are in 18.91 g?

A:

Q: ow many moles of atoms are contained in 19.2 g of NaOH

A: Given that: Mass of sodium hydroxide = 19.2 g To find: Moles of sodium hydroxide =?

Q: How many atoms are in a 211. g sample of potassium (molar mass = 39.1 g/mol)?

A:

Q: How many formula units are contained in a sample of Cu3PO4 with a mass of 210 grams?

A:

Q: A lead fishing weight contains 0.12 mol of lead atoms. Whatis its mass?

A: Given data contains, Moles of lead atoms is 0.12 mol. The molar mass of lead atoms is 207. 2 g/mol.

Q: A sample of pentanol, C5H120, contains 1.69 mol of the compound. Determine the amount (in mol) of…

A:

Q: In the following question: How many g would 4.38 x 1024 atoms of lithium be? You would start with…

A: Given that: Number of Li atoms = 4.38 X 1024  atoms To convert atoms to grams we have to apply…

Q: How many atoms can be found in .2 moles of Cobalt?

A: Since number of atoms in a element = moles X Avogadro's number  Avogadro's number = 6.022 X 1023…

Q: A compound contains only nitrogen and oxygen and has aformula mass of 44.02 amu. What is its…

A: The atomic mass of Nitrogen, N = 14.01 amu The atomic mass of Oxygen, O = 16 amu The atomic mass of…

Q: How many total atoms are in a sample of 10.0 grams CH4?

A:

Q: A sample contains 11.8295 g  calcium and 41.1705 g bromine.  What is the percent calcium is in this…

A: Mass percent or weight percent of a substance is the mass of the element by the mass of the…

Q: How many grams of Cl are in 595 g CaCl, ? mass: g

A: Molecular weight of Ca = 40 and Cl = 35 Mass of 1mol CaCl2 is = ( 40+70) = 110 In 110 g CaCl2 ,…

Q: What mass of chromium VI fluoride has the same number of fluorine atoms 162 grams of Oxygen…

A: We can convert moles into mass, mass into moles etc by following the given formula :Number of moles…

Q: How many atoms are in a 3.56 g sample of Cu?

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

Q: what is the mass in grams of 125 iron atoms?

A: Given that: Number of iron atoms = 125 Atomic mass of iron =  55.845 g/mol

Q: How many moles of tin atoms are in a pure tin cup with a mass of 43.8 g ? v= ? mol

A: Mole concept:  According to Avogadro concept, the number of atoms in one mole of the substance is…

Q: How many atoms are in a 12.6 g sample of nickel?

A: Given: Sample of Nickel= 12.6g

Q: How many moles of Nal are in 58.5 grams of Nal

A:

Q: what is the mass in 1.27 mol NaCl?

A: The number of moles of NaCl is = 1.27 moles The mass of these moles is =?

Q: How many moles of barium are contained in 112.6 g of barium?

A:

Q: How many hydrogen atoms are contained in 6.73 moles of hydrogen molecules?

A: The given moles of hydrogen molecules is 6.73 moles. According to Avogadro's law , 1 mole of every…

Q: z. cis-1-bromo-2-methylcyclohexane + CH;OH Reaction Type(s) Mechanism(s) Product(s) Stereochemistry…

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Q: How many grams are in 246.20 moles of lead?

A:

Q: How many moles of LiN3 are present in 7.56 grams of LiN3

A:

Q: What is the mass of 5.55 moles of carbon monoxide

A: Given data Moles of carbon monoxide = 5.55 moles

Q: What is the mass for 1.5 billion molecules of nitrogen in amu and grams

A: A numerical problem based on the relationship between number of molecules and the respective mass.

Q: How many moles is 23.67 grams of silver

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Q: How many atoms are in 46 g of bromine?

A: Given : Mass of bromine = 46 g Molar mass of bromine i.e Br2 = Atomic mass of Br X 2 = 79.9 X 2 =…

Q: How many moles of Magnesium are in 0.136 grams MG?

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Q: 1. How many molecules of oxygen are in 50.0 g of oxygen?

A:

Q: The mass of 6.50 mol of potassium sulfate is

A: mass of potassium sulfate(K2SO4)=?molar mass of potassium sulfate(K2SO4)=174.3g/molmoles of…

Q: How many grams of Br are in 305 g CaBr₂ ?

A: No. of moles = mass/molar mass  Mass = moles × molar mass  Given: Mass of CaBr2 = 305 g

Q: How many molecules of sulfur hexachloride are in a 4.24 g sample of sulfur hexachloride?

A: Dear student I have given answer to your question in the image format.

Q: How many moles of As are there in 99.9 grams of As? moles

A: The given data contains, mass of As = 99.9 g. Molar mass of As = 74.921 g/mol.

Q: How many atoms are in a 23.7 mol sample of gold?

A:

Q: Consider a 10.1 g sample of the compound cesium phosphate. a) What is the chemical formula for…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: The mass in grams of 10.0 million molecules of sulfur dioxide is:

A: Number of molecules of sulfur dioxide = 10.0 million = 10×106 Moles of sulfur dioxide=Number of…

Q: ny atoms a

A: The number of moles is determined as the mass of the substance upon its molar mass. The number of…

Q: how many atoms are 4.52 moles of carbon

A: