How many CI- ions are there in 2.50 kg of barium chloride

Q: What is the mass (in g) of a magnesium phosphide sample if it contains 7.9 x 1023 phosphorus atoms?

A:

Q: How many moles of nitrogen atoms are there in 1.64 x 1023 molecules of dinitrogen trichloride,…

A: Mole can be defined as a standard unit for measuring large quantities of very small and entities…

Q: What is the mass of 4.91×10214.91×1021 platinum atoms?

A: For  calculating the mass of substance , we have the governing equation  m=NA×Molecular weight ,…

Q: How many atoms of O there in 30.6 grams of cadmium (II) phosphate?

A: Ans : 2.79 × 1023 atoms of O

Q: How many grams of potassium are in 2.91 g potassium sulfide?

A: Given :- mass of K2S = 2.91 g  To calculate :- mass of K (in g)

Q: How many fluoride ions are there in 358.2 g of lead(IV) fluoride (PbF4)?

A:

Q: How many grams of oxygen are in 19 grams of sodium bicarbonate,

A: Number of moles = mass/molar mass  Molar mass of NaHCO3 = 84.007 g/mol  Molar mass of O = 15.999…

Q: What is the mass of 2.00 × 10 ^ 19 molecules of CCl4?

A: Given the number of molecules of CCl4 are --- 2.00×1019 molecules What is the mass of this given…

Q: How many oxygen atoms are there in 24.6 g molecules of N2O4?

A:

Q: What is the mass in grams of 4.2 x 10^22 atoms of Zn ?

A:

Q: How many kilograms are there in 6.02x10^23 bromine ions? Br-80

A:

Q: lver

A: How many grams are there in 2.30x1024 atoms of silver? 1 mole of silver mass is 107.9g 1 mole…

Q: What is the mass, in grams, of 2.08 × 1024 aluminum (Al) atoms?

A: The question is based on mole concept. We have to determine mass of aluminium present.

Q: Calculate the mass (in g) of 1.2 x 1024 atoms of molybdenum, Mo.

A: using mole concept , easily determination of atoms , molecules and ions possible.

Q: A chemical reaction was used to produce 1.46 moles of copper(II) bicarbonate, Cu(HCO3)2. What mass…

A: To produce 1.4 moles of Cu(HCO3)2

Q: What is the mass (grams) of 6.52 x 1018 atoms of gold (Au)?

A: Given that, 6.52×1018 atoms of gold. We have to calculate the mass of that gold. Concept:  We know…

Q: What is the mass of 3.5 × 10 22 molecules of CO 2

A:

Q: How many grams of hydrogen are there in 55.1 g of CH3(CH2)4OH?

A: Given: Mass of CH3(CH2)4OH is 55.1 g Known: Molar mass of C = 12.01 g/mol Molar mass of H = 1.008…

Q: The amino acid methionine which is essential in human diets has the molecular formula C5H11NO2S. How…

A: Q. Given Methionine - C5H11NO2Sm = 0.529 g ( Given mass of methionine)Here in this question we have…

Q: chemical formula

A:

Q: A sugar crystal contains approximately 1.8 x 10" sucrose (C12H2201) molecules. What is its mass in…

A: The molar mass of sucrose (C12H22O11) = 180 g/mol The number of molecules in 1 mole = 6.022 × 1023

Q: The active ingredient in baking soda is NaHCO3. How many grams of NaHCO3 are needed to provide 2.15…

A: The active ingredient in baking soda is NaHCO3.  One atom of NaHCO3. contains = 3 atoms of O. or, 1…

Q: How many oxygen atoms are there in 50 g of sucrose (C12H22O11).

A: Mass of sucrose = 50 g  Formula of sucrose = C12H22O11

Q: How many grams are there in 1.22 x 1034 molecules of chromium (VI) oxide?

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

Q: What is the mass in kilograms (kg) of 4.29 X 1024 atoms of palladium?

A:

Q: What is the mass of 3.30 x 1023 atoms of silver, Ag? 25.8 g 59.1 g 85.7 g 197 g 0.549 g

A: We will use formula of mole and mass to get answer. Number of atom = 3.3×1023

Q: What is the mass of 3.31×1023 atoms of argon?    How many argon atoms are there in 42.9 grams of…

A:

Q: How many grams of phosphorous are there in 2.122 g of Fez(PO)2?

A: 1 molecule of Fe3(PO4)2 contains two phosphorous atoms. So, 1 mole of Fe3(PO4)2 contains two moles…

Q: How many atoms would there be in 6.18x106 g of chlorine, Cl2?

A: Given, Mass of chlorine gas (Cl2) = 6.18 × 106 g Number of atoms are there in 6.18 × 106 g of…

Q: 4. Citric acid was found to contain 37.51% C, 4.20 % H. and 58.29% O by mass. What is the simplest…

A:

Q: 3 Serotonin (C10H12N₂O) is a neurotransmitter that when balanced is responsible for happiness,…

A:

Q: 3. What is the mass of 2.51 x 1024 atoms (particles) of lead metal?

A: Molar mass of lead is 207.2 g/mol. Given number of atoms are 2.54×1024

Q: What is the mass of Li+ in 50.25 g of Li2CO3 ?

A: The concept of stoichiometry is used to solve the given question. The moles have to be calculated…

Q: How many grams are in 2.38 × 1022 molecules of ammonia (NH3)?

A: Mole=molecuy÷6×1023 Mass=mole×molar mass

Q: How many Na+ ions are present in 3.91 g of Na2S?

A:

Q: How many moles of hydrogen atoms are there in 0.375 mole of C 2H 6?

A:

Q: How many grams of oxygen are in 48 grams of sodium bicarbonate, NaHCO3?

A: 1 mole = 6.022×1023 (Avogadro's number) The mass of 1 mole of atoms is called atomic mass For…

Q: how many grams are in 4.46 x 10 24 atoms of carbon?

A: Number of carbon atoms present = 4.46 x 1024 Atomic mass of carbon is 12 grams Atomic mass means the…

Q: How many oxygen atoms are there in 5.90 ng of CA3(PO4)2?

A: Given, mass of Ca3(PO4)2 = 5.90 ng = 5.90 x 10-9 g Thus, moles of Ca3(PO4)2 can be calculated as,…

Q: How many grams are there in 8.32 x 1025 atoms of cobalt?

A: Mass of Cobalt sample can be calculated by using moles and molar mass of Cobalt as follows:

Q: How many grams of oxygen are in 1.55 g of Ca3(PO4)2?

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.