How many moles of strontium (Sr) atoms are in 81.7 g of Sr? mol

Q: What quantity in moles of iron atoms do you have if you have 2.50 × 10²³ atoms of iron. (The mass of…

A: We know that ; 1 mole of substance contain = Avogadro's number of atoms . ( Avogadro's number =…

Q: How many atoms in 17.8  mol CS2?

A: According to Avogadro's, the total no of molecules/atoms present in one mole of substance is equal…

Q: How many potassium atoms are in 0.986 g of potassium iodide?

A: Given, mass of KI = 0.986 g  One mole of any substance contains 6.023 x 1023 ions/molecules/atoms.

Q: How many atoms are present in 58.93 g of cobalt? atoms

A: 1.  No.of moles = given mass / molecular mass  Molecular mass of Co = 58.93 g/mol   2. 1 mol = 6.022…

Q: How many atoms are in 153 g of calcium

A:

Q: What is the mass, in g, of 1.00 mol of helium atoms?

A: The mass in grams of 1.00 mol of helium atoms has to be given.

Q: calculate the mass in grams of 1.9x1024 atoms of lead

A: Mole Moles is a quantity that represents a collection of 6.022×1023 atoms or molecules. The term…

Q: How many total atoms are in 78.6 g of iron (II) chlorate?

A:

Q: How many moles of Cu are there in 36.2 grams of Cu ? moles

A: Given : Mass of copper = 36.2g

Q: how many chlorine atoms are in those 20.3 grams of carbon tetrachloride?

A:

Q: How many atoms are in 2.50 moles of Cl?

A: 1 mol = 6.022 × 1023 atoms

Q: How many molecules are in 21.6 moles of NO₂?

A: The given number of moles is converted to molecules by multiplying the given value with Avogadro’s…

Q: How many grams of NaCl are in 43.3 moles of NaCl?

A: To find out the weight of 43.3 moles of NaCl.  The number of moles of a compound is related to the…

Q: What is the mass of 1.33 moles of NO?

A: Number of moles = Mass/ Molar Mass Molar mass of NO = 30g/mol Number of moles = 1.33

Q: how many molecules are in 120.6 g of carbon?

A: Given data, Mass of Carbon= 120.6 g Formula, Moles of Carbon= mass of Carbon/Molar mass of Carbon…

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

A:

Q: How many molecules are in 6.50 grams of NH3?

A: GivenMass of NH3 = 6.50 gMolar mass of NH3 = 17 g/molMoles of NH3 = Mass of NH3Molar mass of…

Q: How many moles are in 26.4 g of CS

A: We can solve the problem by considering the atomic masses of C and S. We can consider the formula…

Q: How many moles of Cu are there in 83.6 grams of Cu?

A: The number of moles is a chemical unit which is mathematically expressed as: N=MMM…

Q: What is the mass (in g) of 2.71 mol of beryllium?

A: Atomic mass/molar mass of Beryllium = 9 g/mol Number of moles = Given mass/ molar mass Given is…

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

A:

Q: How many grams of NaCl are in 38.0 moles of NaCl?

A: Consider the given information as follows; Moles of NaCl = 38.0 mol     Mass of NaCl = ?

Q: Calculate the mass in grams of a single oxygen molecule, O2.

A:

Q: How many moles are in 7.63 grams of NH3?

A: Given: Mass of NH3=7.63 g The molar mass of NH3=17.031 g/mol The number of moles=?

Q: Fill in the following blanks that describe using sodium sulfate for a drying agent: Sodium sulfate…

A: Sodium sulphate like drying agent are used to remove water. They can absorb water from organic…

Q: osmium by mass. a) If you assume 100.0 g of the compound, what is the mass in grams of osmium that…

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

Q: How many moles are in 75 g of Boron?

A: No.of moles = weight in gram / molar mass  No.of moles = 75 gram / 10.81 gram. mol-1 No.of moles =…

Q: How many atoms of oxygen are in 12.99 g in nickel (II) nitrate?

A:

Q: For an experiment, a student used 17.50 g sodium chloride.  How many moles of sodium chloride did…

A: Number of moles of any substance can be calculated by using the formula :               number of…

Q: How many atoms are in 193 g of calcium

A: Avogadro's number linked mass of an atom with its atomic mass and moles.

Q: How many grams of S are in 515 g of SO2?

A: The atomic mass which is denoted in grams indicates the gram atomic mass. The relationship between…

Q: many hydrogen atoms are in 1.00 moles of H2 molecules?

A: Number of atom is equal to mole multiply by avagadro number

Q: How many grams are in 5.11 × 10¹⁵ molecules of CO?

A: Given :- number of molecules of CO = 5.11 × 1015  To calculate :- mass of CO (in g)

Q: How many moles are in 15000 atoms of iron (Fe)?

A: There are 15000 atoms of iron. One mole of iron contains the number of atoms which is equal to…

Q: How many moles are in 2.3 grams of phosphorus?

A: Given:  Mass of phosphorus=2.3 g To calculate: Moles of phosphorous=?

Q: how many molecules are in 20.3 grams of carbon tetrachloride?

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

Q: How many moles are in 1.72 x 1023 molecules of CO?

A: The number of molecules in one mole of a substance is equal to the Avogadro's number.

Q: the molar mass of a strange new compound is 95.2 g/mol, how many moles of the compound are in 157.00…

A:

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.