What is the IR and HNMRAndCNMR and mass in this example explain

Q: Order the following from largest to smallest 1 | Hydrogen, H 2 | Caesium, Cs 3 I Lithium, Li 4…

A: As we move from top to bottom in the periodic table, the size increases.

Q: Calculate the mass in grams of one Pd atom.

A: We know that,  1 mole = 6.023 X 10^23  atoms  Number of moles = No of atoms / (6.023 X 10^23)  Mass…

Q: A primary goal of medievel alchemists was to turn base metals in gold. Typically they worked with…

A: Mass number = number of neutrons + number of protons Atomic number = number of protons

Q: Calculate the average atomic mass for this element. Is 121amu

A:

Q: |\ S ১ 0SS 0 ५, ४)0° atonas of gold, Au?

A: As we know that, 1 mole of Ag contains 6.022 × 1023 atoms. Therefore, 4.50 × 1022 atoms will have  =…

Q: How many protons are there in one molecule of dichlorine heptoxide?

A: The molecular formula of dichlorine heptoxide is Cl2O7. Its structure is shown as follows:

Q: Calculate the number of atoms in each sample (express using 4 sigfigs) 34.782g S  12.326g Pt…

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

Q: An unknown element X has the following isotopes: ¹⁰X (20.00% abundant) and ¹¹X (80.00% abundant).…

A: The term isotopes can be defined as the variants of a given chemical element that differ in neutron…

Q: What is the mass of 4.97×1021 platinum atoms?

A: Mass has many units. Its SI unit is Kg. On atomic level, atomic mass unit, molar mass, molecular…

Q: An unknown element X has the following isotopes: 140X (89.00% abundant) and 142X(11.00% abundant).…

A: Since,         Average Atomic mass=Σass of Isotope×% of Isotope100

Q: The structural formula for dimethyl ether is H ++ H H H -H Write the molecular formula for dimethyl…

A: The subscript of the elements present in the compound should contain the number of times that…

Q: How much gold should you weigh out to obtain a gajillion (1.00*1023) atoms?

A: Answer:In each mole of a substance number of particles is equal to Avogadro number and mass of one…

Q: What is the mass (in grams) of 6.022*1023atoms of 12C

A: We know that, 1 mol = 6.022 × 1023atoms Thus, we have 1 mol of 12C

Q: 4. Explain why the following equations are wrong a) 2Li + O₂ Li₂O₂ b) BaCl₂ + Al BaAl + Cl₂ c) H₂O₂…

A: Here we have to look for the valency of metal, charge on anion and reaction between metal and non…

Q: An unknown element X has the following isotopes: ¹⁴⁰X (89.00% abundant) and ¹⁴²X(11.00% abundant).…

A:

Q: Thu Feb 2 Question 10 of 10 Determine the number of atoms of O in 45.0 grams of C12H22O11.

A:

Q: How many grams of scandium are in 3.55mol scandium

A: We know that  moles and mass are related as mole = mass / mol.wt. Given that number of moles of…

Q: Find the total number of atoms in a sample of cocaine hydrochloride, C17 H22 CINO4, of mass 24.0 mg…

A:

Q: The mass of a single nickel atom is 9.75x10-23 grams. How many nickel atoms would there be in 153…

A: Mass of a Ni atom = 9.75 × 10-23 g  Given mass of Ni is   =153 mg *( 10-3 g / 1mg )  = 0.153 g

Q: An unknown element X has the following isotopes: ²⁵X (80.5% abundant) and ²⁷X (19.5% abundant). What…

A: Given :  element X has the isotopes: ²⁵X (80.5% abundant) and ²⁷X (19.5% abundant).  Since Atomic…

Q: Sketch a simple schematic diagram of a mass spectrometer. Briefly explain how mass spectrometers…

A:

Q: How to convert from mass percent to mass of an element ?

A: We can calculate mass of element if we have have information about mass percent and total mass.

Q: The total number of atoms in 2FrCN

A: Total Number .of atom represents  Number of sum of all the element present in a given Compound .

Q: How many atoms are in 28.0 grams of magnesium?

A:

Q: Convert the following to mass in grams 1.75 x 1023 atoms Pb Show Your Work

A:

Q: How many moles of calcium atoms do you have if you have 3.39 x 1021 atoms of calcium. (The mass of…

A: Calculation of moles of Calcium atom: The given atoms of Calcium = 3.39×1021 atoms The mass of one…

Q: explain how mass spectrometer operates describing how particles are selected

A: This question aims to explain the work of a mass spectrometer and describe how the particles are…

Q: Chromium has an atomic mass of 51.9961 u and consists of four isotopes, 50 Cr. 52Cr. 53 Cr, and Cr.…

A:

Q: An unknown element X has the following isotopes: 58X (68.00% abundant), 6ºX (26.00% abundant), 62X…

A: Well, here we have to multiply the mass of each isotope with the given fraction of percentages and…

Q: The total number of atoms in 2CaCI

A:

Q: What is the mass ratio of chlorine to phosphorus in Compound B?

A: Mass of chlorine in compound B is 40.9gMass of phosphorus in compound B is 11.9g

Q: QUESTION 3 35Cl (mass 34.9689 amu) and 37 C1 (mass 36.9659). The atomic weight of Cl in the…

A: Given, Naturally occurring chlorine contains 35Cl (mass 34.9689 amu) and  37Cl (mass 36.9659). The…

Q: What are the charge and mass of?:  a)  a singly ionized sodium atom, Na2+ (??????: 2311??, ????=…

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.