Both FeO and Fe2O3 contain only iron and oxygen. Themass ratio of oxygen to iron for each compound is givenin the following table:Compound mass O : mass FeFeO 0.2865Fe2O3 0.4297 Show that these data are consistent with the law ofmultiple proportions.

Q: Indium has two isotopes. One of the isotopes has an atomic weight of 114.9 amu and an abundance of…

A:

Q: hydrogen phosphide can be decomposed to give phosphorus and hydrogen in a mass ratio of 10.32:1.00.…

A: the molecular formula of this substance is PH3 and the name of this compound will be phosphine.

Q: A fictitious element Z has an average atomic mass of 223.22 u. Element Z has two naturally occuring…

A: Given : Atomic mass of element Z = 223.22 u Mass of Isotope 1 = 224.92 u And relative abundance of…

Q: the mass of OO is approximately 16 gg. What is the whole number multiple that describes the…

A: Given as, Mass of Sulphur in SO = 32 gms Mass of Oxygen in SO = 16 gms Mass of Sulphur in SO2 = 32…

Q: The natural abundance of the three stable isotopes are 90.92% isotope A (19.9924 amu), 0.3104%…

A: This question is answered by using the simple concept of calculation of average…

Q: Which of the following pairs can be used to illustrate the law of multiple proportions? O H₂O and…

A: The law of multiple proportions describe that two elements are connected to form more than one…

Q: The two naturally occurring isotopes of boron, boron-10 and boron-11, have masses of10.0129370 u and…

A: Atoms that have the equal number of protons but distinct numbers of neutrons are termed as isotopes.…

Q: In each case, calculate the appropriate ratio to show that the information given is consistent with…

A: Given information, (a) Both ammonia (NH3) and hydrazine (N2H4) are composed of nitrogen and…

Q: Iron exists in nature as a mixture of predominantly three isotopes: 26Fe (53.94 amu), 56 neFe (55.93…

A:

Q: A 3.23 g sample of calcium sulfide was decomposed into its constituent elements producing 1.80 g of…

A:

Q: Iron exists in nature as a mixture of predominantly three isotopes: ⁵⁴₂₆Fe (53.94 amu), ⁵⁶₂₆Fe…

A: We have to calculate the percentage of rarest of three isotopes.

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A:

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A:

Q: Cesium has 39 known isotopes ranging from mass 112 to 151. If a sample of cesium containing only…

A:

Q: Cesium has 39 known isotopes ranging from mass 112 to 151. If a sample of cesium containing only…

A: The average atomic mass of any particular element which exists in two or more isotopic forms, can be…

Q: 1)    The element gallium (Ga) exists in two isotopic forms with the following abundances: 60.16%…

A:

Q: The average atomic mass of Y is 54.6 . one isotop has an atomic mass of 53 and the other isotop has…

A: •Given:- Average atomic mass of Y =54.6 Isotope 1 mass (m1)= 53 Assume isotope 1 abundance(x1) is…

Q: A 6.55 g sample of calcium sulfide was decomposed into its constituent elements, producing 3.64 g of…

A: According to the law of constant composition, for any particular chemical compound, all samples of…

Q: Bromine is naturally occurring as a mixture of two isotopes. One isotope has a mass of 79 amu and a…

A:

Q: When a 220 g sample composed of ibuprofen (C13H1802) and some inert material is added, the mass of…

A: The mass percentage of an element in a given compound is a measure of the amount of the element…

Q: Potassium has three isotopes with masses 38.9367 amu, 39.9640 amu, and 40.9618 amu. The abundance of…

A: Abundance of other two isotopes can be calculated as:-

Q: An element's known atomic mass is 83.45amu. It exists as three isotopes: Isotope A = (mass 78.93amu;…

A: Atomic mass of an element = 83.45 amuThree isotopes of that element are A, B and C.Percentage…

Q: A completely made up element called Krystogen has two naturally occurring isotopes. The atomic…

A: Every atom in periodic table has some atomic mass and atomic number. When atomic number of two…

Q: Lithium, is used in dry cells and storage batteries and in high temperatures lubricants, it has two…

A: Given- M1=6.01521 M2=7.016003 A1 (%)=7.50 A2(%)=92.50

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.