How many atoms of oxygen are in 231.000 grams of lead (IV) oxide? Enter your answer using Canvas's scientific notation, "e". Note that this is NOT the same on your calculator! For example, if your answer is 5.4 x 10^3, enter "5.4e3"

Q: A particular oral contraceptive contains 0.033 mg of ethinyl estradiol in each pill. The formula of…

A: Mole is defined as the ratio of given mass and molar mass. The unit of mole is mol. It is utilized…

Q: Methane, CH4, burns in oxygen. a what are the products of the reaction? (Express your answers as…

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Q: What is the mass of 3.01 x 1023 atoms of FeO? Round to two decimal places.

A: a) Given  mass of AgNO3 = 5,398 grams  molar mass of AgNO3 = 169.87 g/mol Conversion factor - 1 mol…

Q: A container has 5.30 x 1023 molecules (aka atoms) of bromine gas. Calculate the mass (in g) of…

A: A container has 5.30 x 1023 molecules (aka atoms) of bromine gas. We have to calculate the mass (in…

Q: How many daL of bromine are in 15.7 x 1022 molecules?  (The density of bromine is 3.1 g/cm3) The…

A: Given: The density of bromine = 3.1 g/cm3 We have to find How many daL of bromine are in 15.7 x 1022…

Q: 2. A sample of a substance containing only carbon, hydrogen, and oxygen has mass x in grams. It is…

A: The equation for the burning of carbohydrate is: x12a+b+16c CaHbOc  +  O2   →    y44CO2  +  Z18…

Q: A friend has some questions about empirical formulas and molecular formulas. You can assume that he…

A: Empirical formula refers to the formula of a compound in which the elements are present in the…

Q: Calculate the mass percentage composition of aluminum in the compound AL(NO3)3. Please report the…

A: Assuming we have 1 mole of Al(NO3)3  Hence mass of Al(NO3)3  = moles X molar mass = molar mass X 1…

Q: 5. Aspirin has the formula CyH3O4. How many atoms of oxygen are there in a table weighing 360 mg? a.…

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Q: The fuel used in many disposable lighters is liquid butane, C4H10. Butane has a molecular weight of…

A: Molar mass of any element is equal to the atomic mass of that element in the unit of grams. Molar…

Q: The molecular formula of aspirin is C9H8O4. How many aspirin molecules are present in one…

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Q: How many atoms of chlorine are in 6.85 g of chlorine

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Q: What is the mass percentage of carbon in C6H12O3? Express your answer as a percentage (i.e., out of…

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Q: 5. A 2.000 g sample of CoCl2·xH2O is dried in an oven. When the anhydrous salt is removed from the…

A: By calculating moles of CoCl2 and H2O we can find value of x.

Q: The chemical name for Tums is calcium carbonate, CaCO3, is used to treat symptoms caused by too much…

A: Given: Mass of CaCO3 = 522.61 mg = 0.52261 g                                                 (Since…

Q: which of the following are true for 1 mole of water at room temperature (approximately 24 degrees…

A: 1. The molar mass of water is 18.01 g/mol. This means 1 mole of water has a mass 18.01 g. So, first…

Q: What is the mass in grams of 6.91x 1015 chromium atoms? Put your answer in box in scientific…

A: Given,No of atom of Cr= 6.91* 1015 We have to find out the mass of Cr in grams.

Q: A sample of oxygen gas weighs 28.4 g. How many atoms of oxygen are present in this sample? The…

A: Here we have told that a sample of oxygen gas is weighed at 28.4 g. Now we have to tell how many…

Q: In an experiment 0.500 gg of copper reacted with oxygen to give 0.563 gg of copper oxide. What is…

A: Answer 1:       Mass percentage of copper in copper oxide = given mass of coppergiven mass of copper…

Q: a) What is the mass of 2.450 x 10²⁴ atoms of tungsten (# 74)? (Be sure to write your units, chemical…

A: The solution is shown in the image below-

Q: What is the mass in grams of 1.15 x 10^24 atoms of manganese?

A: 1 mol Mn has mass equal to  59.94 g  1 mol Mn = 6.022 × 1023  atoms of Mn

Q: Assume that the ratio of moles of Cl to moles of Cu are 1.84.  If we can represent the formula by…

A: The ratio of moles of any two substances in a balanced chemical reaction is called molar ratio.…

Q: Molecules of vitamin C contain 6 carbon atoms, 8 hydrogen atoms, and 6 oxygen atoms. What are the…

A: Given :-  Molecules of Vitamin c contain 6 carbon atoms, 8 hydrogen atoms and 6 oxygen atoms  To be…

Q: A drop of water, H2O, has a volume of approximately 0.050 mL. Assuming that the density of water is…

A: Given volume of 1 drop = 0.05 ml density of 1 drop = 1 g/ml number of drops = 3

Q: 1.Which of the following statements about a compound is incorrect? (a)  A molecule of a compound…

A: The question lies in basic chemistry of atoms, molecules and compounds. Let us first be clear about…

Q: A combustion analysis is a technique to find the the empirical formula of compounds. In a combustion…

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Q: Calculate the molar mass of an element if a 1.20 mol sample of it has a density of 2.18 g/cm3 and…

A: General chemistry.

Q: Assuming gasoline to be pure 2-methylhexane, C7 H16 (actually, it is a mixture of many substances),…

A: Molecules consumed per mile =  5.96 x 1023 molecules We need to find the mass of fuel.

Q: What is the mass in grams of 4.50 x 10^20 particles of aluminum sulfate rounded to three significant…

A: Number of moles of the substance is equal to the number of atoms or molecules present in one mole.…

Q: 5. A bottle of Ibuprofen (C,,H,,O,) contains 1.204 x 1024 molecules. How many grams of ibuprofen are…

A: The molecular weight is 206.29 g/mol means 1 mol of ibuprofen = 206.29 g of ibuprofen

Q: How many atoms of oxygen are in 12.99 g in nickel (II) nitrate?

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Q: compound containing Sodium, Chlorine, and Oxygen is 25.42% Sodium by mass. A 3.25-gram sample gives…

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Q: 1-How many oxygen atoms are there in 1?25 x 1018 water molecules?

A: Number of water molecule = 1.25 × 10^18molecule

Q: mmonium nitrate: NHẠNO3(s) N20(g) + 2H209) How many g of dinitrogen monoxide can be made from 1.62 x…

A: In this question, we want to determine the mass of N2O gas in gram unit.  You can see details…

Q: A compound is 21.20% Nitrogen, 6.06% Hydrogen, 24.30% Sulfur, and 48.45% Oxygen. Write the empirical…

A: Given data,Percentage of N=21.2%Percentage of H=6.06%Percentage of S=24.3%Percentage of O=48.45%

Q: What is the mass of 7.10 moles of magnesium chloride, MgCl2? Express your answer with the…

A: 1) The compound given is MgCl2 with moles = 7.10 mol Since molar mass of MgCl2 = Atomic mass of Mg +…

Q: Iron pyrite, commonly known as "fool's gold," is 46.5% Fe and 53.5% S. Part A. If the empirical…

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Q: How many atoms are there in 77.9 g of selenium? You will need to divide your answer by 1.0X10^23

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Q: A student finds that they have 0.2545 g of NH4Cl, 1.1502 g of NaCl, and 1.0181 g of SiO2. Calculate…

A: Given  mass of NH4Cl = 0.2545g mass of NaCl = 1.1502 g mass of  SiO2 = 1.0181 g Initial mass if…

Q: Be sure to answer all parts. How many H atoms are in 84.9 g of isopropanol (rubbing alcohol), C3H,0?…

A: We have to calculate the number of H atoms in 84.9 g of isopropanol.

Q: How many ions are there in 0.042 mole of Ti(CO3)2 formula units?Place your answer in the box using…

A: 1 mole of Ti(CO3)2 can produce 3 mole ions (1 mole Ti4+ and 2 mole CO32-).

Q: 1. How many molecules are there in 150 g of C12H22O11?

A: Given :-we have to find how many moleculerare there in 150 gm of C12H22O11

Q: Which of the following samples of matter would have the largest mass (grams)? Highlight the letter…

A: 1 mole = 6.02* 1023 molecules  At STP 1 mole of gas = 22.4 Lt  Mass = n . Molar mass where n = no.…

Q: What is the mass, in grams, of 1.51 x 1018 atoms of gold present in one nanoparticle? i

A: First of all calculate the number of moes of gold constitute the given number of atom. Then…

Q: How many chloride atoms are in 32.3 g of CaCl2?

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

Q: A sample containing NaCl, Na,SO, and NaNO, gives the following elemental analysis: Na: 32.08…

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Q: Part A. What is the mass of 9.50 moles of magnesium chloride, MgCl2? Express your answer with…

A: Part A: Calculation of mass of MgCl2 : The number of moles of MgCl2 = 9.50 moles The mass of a…

Q: . What is the mass (grams) of 2500. carbon atoms?  2.  What is the mass (grams) of 6.52 x 1018…

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Q: Welders use helium (He) and argon (Ar) gases to blow over the metal during the welding process.  Why…

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".