An unknown compound has the following chemical formula: where r stands for a whole number. Measurements also show that a certain sample of the unknown compound contains 9.6 mol of oxygen and 3.17 mol of sulfur. Write the complete chemical formula for the unknown compound. D.

Q: An unknown compound has the following chemical formula: C₂Hx where x stands for a whole number.…

A: The empirical formula of any compound is the simplest whole number ratio of all the atoms present in…

Q: PXCI, where x stands for a whole number. Measurements also show that a certain sample of the unknown…

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Q: An unknown compound has the following chemical formula: where x stands for a whole number.…

A: Consider the given information is as follows; The formula of the unknown compound = C2Fx…

Q: An unknown compound has the following chemical formula: where x stands for a whole number.…

A: In this question, we have to find the chemical formula of C2Fx. Given: Moles of carbon= 2.71 Moles…

Q: An unknown compound has the following chemical formula: NO where stands for a whole number.…

A: Moles of nitrogen = 8.4 mole Moles of oxygen = 8.43 mole Chemical formula = NxO To find :-  Value of…

Q: How many sulfur atoms are there in 3.6 mol of sulfur? Express your answer using two significant…

A: Given that, moles of sulfur = 3.6 mol As per Avogadro’s law, 1 mol of any element contains…

Q: ete chemical formula fa

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Q: A sample of hydrogen contains 35.3 grams. 1. How many moles of H atoms are there in the sample? 2.…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: ete chemical formula for t

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Q: Determine the number of atoms in 39.0 grams of calcium, Ca. (The mass of one mole of calcium is…

A: Mass of calcium = 39.0 grams Mass of 1 mol of calcium = 40.08 g. Number of atoms = ?

Q: 0.155 mol Na Express your answer using three significant figures.

A: Given: The moles of Na = 0.155 mol.

Q: An unknown compound has the following chemical formula: PAS where x stands for a whole number.…

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Q: A sample of barium reacts completely with oxygen in a specialized crucible. The reaction that occurs…

A: The reaction taking place is given as, => Barium + oxygen ------> Barium oxide  Given : Mass…

Q: An unknown compound has the following chemical formula: N3H where x stands for a whole number.…

A: Using law of definite composition, unknown "x" value can be determined.

Q: Calculate how many liters the following number of atoms would take up. 32) 4.6 x 1035 atoms 46,214…

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Q: What is the percent by mass of F?

A: Percent by mass of F = (mass of F/mass of compound) × 100%

Q: A compound containing nitrogen and oxygen is found to contain 1.52 g of nitrogen and 3.47 g of…

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Q: How many atoms of oxygen are in 2.7 moles Mg(NO3)2? Report your answer with the correct number of…

A: The number of oxygen atoms there are = 9.8e24  atoms

Q: How much will 5 moles of H2 gas weigh, in grams?

A: We are given 5 moles of H2 gas.

Q: Calculate the number of nitrogen atoms in a 140.0 g sample of dinitrogen tetroxide (N,04). Be sure…

A: We have to calculate the number of nitrogen atoms in a 140.0 g sample of dinitrogen tetraoxide…

Q: (c) Vitamin C contains carbon, hydrogen and oxygen only. It is 4.579% by mass of hydrogen. One…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: An unknown compound has the following chemical formula: PbOx where x stands for a whole number.…

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Q: Which of the following has more atoms? Select the single best answer. Note: Reference the…

A: The question pertains to the concept of comparing the number of atoms in different quantities of…

Q: Calculate the mass of the following. 33) 35 liters of Cl₂ gas

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Q: please complete following table Mass of KNO3 Test tube + KNO3 Test tube only KNO3 only m1g =…

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Q: i. C₁7H36 plus oxygen gas j. magnesium metal plus silver nitrate

A: C17H36 (Heptadecane) this is an alkane.  Alkane and O2 react and produce CO2 (carbon dioxide ) and…

Q: An unknown compound has the following chemical formula: PbOx where x stands for a whole number.…

A:

Q: How many total atoms are there in 67.9 g of water (H,O)?

A: Given: Mass of water = 67.9 g Known: Molar mass of water = 18 g/mol

Q: If 6.045 g of a pure element contains 3.991x1022 atoms, what is the element? The element is: (Enter…

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Q: The element rhenium (Re) has two naturally occurring isotopes, 185 Re and 187 Re. Rhenium is 62.60%…

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Q: Be sure to answer all parts. A modern penny weighs 2.4800 g but contains only 0.0600 g of copper…

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Q: Mass of the crucible and cover Mass Difference from previous 34.78166g 134.70516" 34.7658 After 1"…

A: Intrdouction : We have to calculate the mass of magnesium ,oxide and magnesium oxide .

Q: A chemist weighed out 22.5 g of calcium. Calculate the number of moles of calcium she weighed out.…

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Q: In 6.9 g of aluminum, there are ______ x 1023 aluminum atoms present

A: Molecular mass of atom contains 6.023 × 10^23 atoms. Molar mass of aluminium is 26.981 g/mol

Q: Determine the mass in grams of 6.32 × 1021 atoms of carbon. (The mass of one mole of carbon is 12.01…

A: Number of moles of a substance is equal to the number of atoms divided by avogadro's number. Write…

Q: Determine the number of atoms in 21.0 grams of sulfur, S. (The mass of one mole of sulfur is 32.07…

A: Number of moles (n)          = mass/molar mass  n = 21g/ 32.07 g/mol     = 0.655 mol

Q: An unknown compound has the following chemical formula: NO, where x stands for a whole number.…

A: Given :-  chemical formula of unknown compound = NOx  no.of moles of O = 5.1 mol  no.of moles of N =…

Q: If 21.4 g of aluminum is reacted with 91.3 g of Fe2O3, the prodücts will be Al2O3 and iron. What…

A: Limiting reagent: In a chemical reaction, the reagent that totally consumed is known as a limiting…

Q: The formula for alum has 1 Al. How many units alum could be made from 7 Al atoms? Answer with a…

A: The molecular formula of alum is K2(SO4)·Al2(SO4)3·24H2O or KAl(SO4)2·12H2O

Q: Determine the number of moles in 234 g of F,

A: Given  Mass of F2                 = 234 gram  Number of Moles   = ? Molar mass of F     = 19 gm/mole…

Q: An unknown compound has the following chemical formula: CF where x stands for a whole number.…

A: Recall the formula of the unknown compound is C2Fx Given that the unknown compound contains 6.7 mol…

Q: An unknown compound has the following chemical formula: NO where x stands for a whole number.…

A: In any chemical reaction, the ratio of amount in moles of two or more compounds is called as Mole…

Q: hemical formula for the unknown compound.

A:

Q: An unknown compound has the following chemical formula: N, 03 where x stands for a whole number.…

A: moles of nitrogen = 7.5 molmoles of oxygen = 11.42 molformula of a compound =?

Q: If 27.1 grams of bromine and 12.0 grams of chlorine combine to form bromine monochloride, how many…

A: Given :-  Bromine + chlorine ---> bromine monochloride  Mass of Br2 = 27.1 g  Mass of Cl2 = 12.0…

Q: Q2. A compound of copper and sulfur contains 111.99 g of metal and 113.04 g of nonmetal. How many of…

A: • Here is given that, a compound contains copper and sulfur atoms . • And we know that, copper is a…

Q: An unknown compound has the following chemical formula: P,S where x stands for a whole number.…

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.