Suppose there are two known compounds containing the generic elements X and Y. You have a 1.00 g sample of each compound. One sample contains 0.330.33 g of X and the other contains 0.420.42 g of X.   Choose all the plausible sets of formulas for these two compounds.   O XY and X3Y O X3Y and X4Y O X2Y and X3Y O XY3 and XY4 O X4Y2 and X3Y O XY and X2Y O X2Y3 and X3Y3

Q: 2. Use the following table of bundances and masses of the five aturally occurring titanium isotopes…

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Q: Strontium has 4 isotopes: Sr84 with 0.56% abundance and AMU of 3.9134, Sr86 9.86% abundance with AMU…

A: Let x 1 and x2 be the abundance of Sr87 and Sr88 respectively. Then we have Strontium Isotopes…

Q: A 10.5710.57 g sample of NaBr contains 22.3422.34% Na by mass. Considering the law of constant…

A: According to law of constant composition, the mass percent of any element in any compound always…

Q: You are working in the laboratory preparing sodium chloride. Consider the following results for…

A: The results has to be explained on basis of law of conservation of mass and definite composition.

Q: A new element, greenriverium (Gr), has three naturally-occurring isotopes. Isotope 1 has a mass of…

A: The atomic mass is the average mass of all the isotopes. So that we calculate the average mass with…

Q: On another planet, the isotopes of titanium have the given natural abundances. Abundance Mass (u)…

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Q: Silicon has three stable isc mu). The ratio of the abund maturally occurring sample- erage atomic…

A: The objective of the question is to determine the average atomic mass that emerges when all the…

Q: Calculate the relative abudance of the two europium isotopes.

A: According to the question Eu-151 has mass 150.916 amu and Eu-153 has mass 152.9209.  The 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: A compound is composed of phosphorus and hydrogen. The mass ratio is 10.2 g of phosphorus to 1.00 g…

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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: An unknown element X has the following isotopes: 25X (80.50% abundant, mass = 25.03 amu) and 27X…

A: isotopes of X 25X: abundance - 80.50%                       (P1) = 80.50/100 = 0.8050          mass…

Q: Stony meteorites are made up of minerals that contain silicates, which are materials made of silicon…

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Q: A manufacturer begins with 15.00 kg15.00 kg of cinnabar and produces 12.93 kg12.93 kg of elemental…

A: Since you have posted multiple questions, we are entitled to answer the first clear question only.…

Q: Fluorine (F) and sulfur (S) can form several different compounds. In one analysis it shown that the…

A: Given: Mass of F in compound 1 = 5.55 g. Mass of S in compound 1 = 1.56 g. Mass of F in compound 2 =…

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope 46TI…

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Q: A made up element ey has three natural isotopes. The isotopes each have an atomic mass of 33.02…

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Q: On another planet, the isotopes of titanium have the given natural abundances. Abundance Mass (u)…

A:

Q: You take three compounds, each consisting of two elements (X, Y, and/or Z) and decompose them to…

A: The problem belongs to the simplest ratio of masses.

Q: Antinomy, Sb, has 2 isotopes and an atomic weight of 121.75 amu. The isotope anitimony-121 has a…

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Q: The atomic mass of bromine is 79,904 amu. The atomic mass of the Br-81 isotope is 80.9163 amu and…

A: The atomic mass of bromine is 79.904 amu. This is actually the average atomic mass of Bromine which…

Q: a. For the positive ion Rb+, use the concept that a chemical compound must have a net charge of zero…

A: we have to determine the formula of the ionic compounds formed when the given ions react

Q: A 12.0912.09 g sample of NaBr contains 22.3422.34 % Na by mass. Considering the law of constant…

A: According to the law of constant composition, the ratio of the mass of elements in a compound…

Q: Copper has two naturally occurring isotopes with atomic masses of 62.9296 u (C u) and 64.9278 u…

A: When two atoms have same atomic number and different atomic mass, such atoms are called isotopes.…

Q: Zinc has five naturally occurring isotopes with an average mass of 65.39 amu. If two isotopes,…

A: To answer: Which pair of isotopes will have the highest abundances? 64Zn, 63.9291 amu and 66Zn,…

Q: For which element does a sample of 1.5055 × 1024 atoms have a total mass of 70.215 g? P, Si, S

A: Number of atoms = 1.5055 × 1024 atomsmass = 70.215 gIdentify the element present in the sample,• P•…

Q: Potassium (K) has two stable isotopes: 39 and 41K. Based on the average atomic mass of potassium…

A: The average atomic mass of an element is calculated by taking the weighted average of the masses of…

Q: The element lanthanum has an atomic weight of 139 and consists of two stable isotopes lanthanum-138…

A: The objective of the question is to find the mass of the isotope lanthanum-139. The atomic weight of…

Q: A sample of lithium consists of 400 atoms. 30 atoms are the isotope Lithium-6 (6.015 amu) and 370…

A: Calculation of average atomic mass using % abundance of isotopes:

Q: A 22 g sample of a compound contain 8 g of Oxygen and 14 g of Nitrogen. Which of the following is a…

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Q: Bromine has two stable isotopes: 79Br and 81Br with masses of 78.9183371 amu and 80.9162906 amu. If…

A: In this question we have to tell the the Mass of 79Br in 10 gram of Br which has 79.904 amu mass.

Q: ⒸMacmillan Learning On another planet, the isotopes of titanium have the given natural abundances.…

A:

Q: A hypothetical element, M, with average atomic weight of 35.75. M has three stable isotopes with the…

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Q: Two compounds, A and B are formed from elements X and Y as follows: Compound A contains 1.00 g of X…

A: Answer:Law of multiple proportions says that when two elements combine to form more than one product…

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.