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: Consider a mixture of 10 billion O2 molecules and 10 billion H2 molecules. In what way is this…

A: The 1st mixture contains 10 billion or 109 O2 molecules and H2 molecules. The 2nd mixture has 109…

Q: You have a compound with the formula X₂Y. X is an isotope with a mass of 20g/mol and Y is an isotope…

A: Mass of X = 20 g/mol Mass of Y = 43 g/mol

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: 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: Element X forms three different compounds with element Y. Information about these compounds is…

A: We have to predict the formula for the other two compounds.

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

A:

Q: Suppose the diameter of a type of atom is 2.22 x 10-7 mm. A coin has diameter 1.20 cm. Suppose the…

A: If we divide the diameter of a coin by the diameter of an atom we will get the no. of atoms.  Given…

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…

A:

Q: Suppose there are two known compounds containing the generic elements X and Y. You have a 1.00 g…

A: Given, one sample contains 0.28 grams of X and other sample contains 0.37 grams of X.  The…

Q: What is the edge length (in cm) of a titanium cube that con- tains 2.55 x 1024 titanium atoms? The…

A: Calculate the number of moles as follows, Number of moles =2.41×10246.022×1023=0.4×10=4 moles Now,…

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: 1. Demonstrate the Law of Multiple Proportions with the following data: a. Iron forms two compounds…

A: The objective of this question is to demonstrate the Law of Multiple Proportions using the given…

Q: mples of compound X, Y, and Z are analyzed, with results shown below. Mass of Hydrogen 0.148 g 0.329…

A: Law of Definite Proportion states that every Chemical Compound contains fixed and constant…

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: The chemical formula for the amino acid glycine is CHŞNO2. Which of the following statements about…

A: Which of the statement is false ?

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…

A:

Q: The figure shown below shows the structure of cytidine, one of the essential components of RNA.…

A: Molecular formula of any molecule may be written as CnHxNYOz Where n ,x, y and z are number of…

Q: O Macmillan Learning A sample of aluminum foil contains 4.60 x 1023 atoms. What is the mass of the…

A:

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: Suppose there are two known compounds containing the generic elements X and Y. You have a 1.00 g…

A: Let A and B be two samples and both of the samples contain elements X and Y.Given:Mass of sample A =…

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: 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: A compound is 32.88% C, 4.14% H, 19.18% N and 43.80% O by mass, and it has a molar mass of 219…

A:

Q: Two samples of sodium chloride with different masses were decomposed into their constituent…

A: Law of definite proportion :  The law states that a compound has its elements in a fixed ratio…

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: 5. A sample of Magnesium contains three isotopes and its average atomic weight is 24.35 amu. If the…

A:

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

A:

Q: Consider a mixture of 10 billion O₂ molecules and 10 billion H₂ molecules. In what way is this…

A: The similarity is that both the samples contain 40 billion atoms.

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

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.