What are the empirical and true formulas of this compound

Q: 33. How many hydrogen atoms are in 4 molecules of isopropyl alcohol, C;H-0? А. 2.4 x 1023 atoms of H…

A: Given, 4 molecules of isopropyl alcohol, C3H7O   Required,                Number of hydrogen atoms…

Q: Question 3

A: In the compound KrF2, 2 moles of F are present.The molar mass of KrF2 is 121.8g/mol.  Molar mass of…

Q: A compound composed of lodine, Carbon, Hydrogen, and Oxygen has the following composition by mass:…

A:

Q: formula mass of copper(II) fluoride?

A:

Q: Write the empirical formulas of the following compounds: (a) Al,Br6, (b) Na,S,O4, (c) N,O5, (d)…

A: Interpretation -  To write the empirical formula of the given compounds -  Al2Br6 Na2S2O4 N2O5…

Q: The molar masses and empirical formulas of several compounds containing carbon and nitrogen are…

A: The relatively simple positive integer ratio of all atoms contained in a chemical compound is…

Q: 3. What mass of Al contains the same number of atoms as 3.0 g Pb7 a. 23 g b.0.014 g C. 3.0g d. 0.39…

A: 3. mass of Pb = 3.0 g molar mass of Pb = 207.2 g/mol moles of Pb = 3.0 g / 207.2 g/mol…

Q: The mass spectrum of an organic compound shows the relative abundances of M to be 58.98% and M + 1…

A: Given,Relative abundance of M+1=14.67%Relative abundance of M=58.98%Natural abundance of…

Q: What is the mass of the compound C8H18 (Mm = 114.26 g.mol-1) that contains 7.20x1022 hydrogen atoms?

A: Given :- molar mass of C8H18 = 114.26 g.mol-1  Number of H atoms = 7.20 × 1022 atoms   To calculate…

Q: Ibuprofen, a potent headache remedy, has a molar mass of about 206 grams and has been determined to…

A: Empirical formula represents the simplest whole number ratio of atoms of elements present in the…

Q: Which of these statements is FALSE about the mole? O a. 1 mole is equal to 6.022 x 10 23…

A: Since you gave posted multiple questions, we are entitled to answer the first only.

Q: A substance is 77.5% Pb, 4.5% C, and 18.0% O. How many atoms of carbon are there for each atom  of…

A:

Q: Caffeine, a stimulant found in coffee and soda, has the mass percent composition: C, 49.48%; H,…

A: GIVEN: The mass % of carbon= 49.48% The mass % of hydrogen=5.19% The mass % of nitrogen=28.85% The…

Q: Rubudium have two isotopes, 85Rb has mass 84.9117 amu and 87Rb has mass 86.905 amu. If the average…

A: The naturally occurring Rubidium  has two isotopes, therefore both of them are present in Rubidium…

Q: How many oxygen atoms are there in a formula unit of UO 2(C 2H 3O 2) 2 • NH 4C 2H 3O 2 • 5H 2O?   a.…

A: one molecule of O2 contains 2 atoms of oxygen

Q: A sample of a compound was found to contain 54 grams of aluminum, 96 grams of oxygen, and 6 grams of…

A:

Q: What is the empirical formula of an unknown compound that contains 48.02% Carbon, 18.74% hydrogen,…

A: The simple number of atoms present in the molecule is shown below.

Q: b. a compound that is 63.5 % Ag, 8.2 % N, and 28.3 % O %3D 5. Aspartame is an artificial sweetener…

A: Determination of empirical formula from percent composition Calculate the number of moles of each…

Q: What is the molecular formula of a compound if the empirical formula is C,H, and the approximate…

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements…

Q: 5.The chemical composition of an unknown compound revealed that it had 49.47% C; 5.20%H; 28.84% N;…

A: Given that: mass % of C = 49.47 % mass % of H = 5.20 % mass % of N = 28.84 % mass % of  O = 16.48 %…

Q: Vitamin A has the molecular formula C20H300. How many carbon atoms are in 6.02 x 1023 molecules vit…

A: As molecular formula of vitamin A is C20H30O . Thus in one vitamin A molecule  has 20 carbon atoms .…

Q: 28) Determine the mass of the following compound: 0.0146 mol KOH A) 56.11 g B) 0.819 g C) 8.19 g 29)…

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Q: Is wood a metal or nonmetal? 2. Is melon a metal or nonmetal? 3. How many protons, electrons and…

A: An atom is the basic and fundamental unit of matter. An atom consists of electron and the nucleus in…

Q: You have 53 carbon atoms. What is the mass? Which units should you use g/mol or amu? a. 686.58 amu…

A: Answer: No option is correct. The correct answer is 636.53 amu We should use amu unit instead of…

Q: A brass alloy contains 78.6% copper, Cu, by mass with the remainder of the alloy being zinc, Zn.…

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Q: A sample of hydrocarbon on complete combustion gave 1.32 g of carbon dioxide and 0.72 g of water.…

A: Since we know that on complete combustion of of any hydrocarbon it produces H2O and CO2 . To solve…

Q: How many carbon atoms are in 2.65 x 1023 molecules of C,H,?

A:

Q: How many fluorine atoms are there in 5.45 x 1028 molecules of carbon tetrafluoride

A: Given: molecules of carbon tetrafluoride CF4=5.45×1028

Q: I. Write the empirical formula for the following compounds. 1) CH, 2) C̟H15 3) WO, 4) C2H6O2 5)…

A: The empirical formula of a compound is defined as the formula framed by the smallest possible ratio…

Q: What are the formulas of the following substances? (a) PCI;; Molec. mass = 137.3 amu (b) Nicotine,…

A: Molar mass is defined as an average mass of atoms present in the chemical formula. It is the sum of…

Q: Iron is a metallic element, find the number of proton, -2 Fe electron and neutron 3- Write the…

A: In an neutral atom number of Protons must be equal to number of electrons Given : Atomic number of…

Q: Tetracarbon dioxide is an unstable oxide of carbon with the following molecular structure: What are…

A:

Q: A sample of C3H8 has 8.00×10^24 H atoms. How many carbon atoms does the sample contain?  What is…

A: Given :- number of H atoms = 8.00 × 1024 atoms  To be calculated :-  No. of C atoms in sample…

Q: A macromolecule has an empirical formula of C4H306. The molecular mass for the macromolecule is…

A: Given :- empirical formula of macromolecule = C4H3O6  Molecular mass of macromolecule = 429.21 g/mol…

Q: 1. How many atoms of nitrogen are present in 8.98 grams of nitrogen trifluoride?     2. How many…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: What is the empirical formula for a sample containing 79.842% carbon and 19.943% hydrogen? a.)…

A: In order to calculate the empirical formula of each compound , we first need to find the mass of…

Q: 4. A compound with 24.74% (by mass) potassium, 34.76% manganese, and 40.50% oxygen. 5. A compound…

A: (4.)  Let us consider mass of the compound is  100 grams. Given datas ; % of potassium = 24.74%…

Q: Two elements X and Y combine to form two compounds with the following compositions: Compound % Mass…

A: In a compound the particular element is present in the weight ratio .

Q: How many carbon atoms are in a pure diamond (all carbon) with a mass of 52.00 mg? O A. 4.330 x 100 O…

A: Diamond is made up of pure carbon given , mass of diamond =52 mg STEP 1 conversion mg unit to gram…

Q: empirical formula and formula mass of the compound

A: Empirical formula is the formula which consists atoms of each element in simple whole number ratio.…

Q: White sand is made of silica (silicon dioxide, or SiO2), which has a density of 2.20 g/cm3. How many…

A: Given : Density of silica = 2.20 g/cm3  And diameter of grain of sand = 0.455 mm

Q: The Avogadro number is defined as A The number of electron in 12g of C-12 substance B The number of…

A: The question is based on the concept of avogadro  number. we have to correctly identify the…

Q: Dic orodifluoromethane (CF2C12) is an Ozone-depleting substance. It belongs to a class of compounds…

A: Given that, 10.0 g of CF2Cl2. Also, the atomic weights are  C = 12.01, F = 19.0, Cl = 35.45. The…

Q: Beryl (emerald) is a precious gemstone with the formula:  Be3Al2(SiO3)6.  MM Be3Al2(SiO3)6  =…

A: a. Given, 1.00 g of beryl

Q: The Cullinan diamond was the largest natural diamond ever found (January 25, 1905). It weighed 3104…

A: 6.023× 10^23 is called Avogadro's number. 1 mole of any substance contains Avogadro's number of…

Q: B. Determine the empirical formula of the following compounds: 1. CH, 4. CH,COОН 2. CH12O6 5. Al,03…

A: Empirical formula is the formula that shows the elements in a compound in the lowest whole number…

Q: 19) Which molecule has a molecular mass of 28.05 amu? H-C A) B) H-CEC-H 20) Determine the molecular…

A: The mass of a molecule of a compound is known as molecular mass  The molecular mass is the sum of…

Q: The molecular mass of a compound containing 75.0 % carbon, 10.5 % hydrogen, and 14.6 % nitrogen is…

A: given 75.0 %  C 10.5 %H  14.6 %N molecular mass 384.6.

Q: alculate (to the nearest 0.1 u) the formula mass of these compounds. (a) rubidium nitrate, RbNO3…

A: Following are the formula mass of the given compounds. Since it is a type of multiple questions with…

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.