The density of ammonia, NH3, is 7.71 x 104 g/mL. Calculate the number of moles of ammonia in a 31.9 mL sample. moles of ammonia: mol

Q: 1- An unknown compound has the following chemical formula: P2Ox where x stands for a whole number.…

A: Chemical formulae provide a means of describing any chemical material that uses the symbol of the…

Q: During the decomposition of KClO3, 7.23 grams of oxygen gas are created. How many moles of KClO3…

A: The reaction is: 2 KClO3 → 2 KCl + 3 O2 mass of O2 gas formed = 7.23 g

Q: step 4 Dichlorine heptoxide (C1207)(C1207) is a highly reactive compound used in some organic…

A: Given that -  Dichlorine heptoxide , Cl2O7 , which is a highly reactive compound.    The molar…

Q: During the decomposition of KClO3, 5.81 grams of oxygen gas are created. How many moles of KClO3…

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Q: 6A. What mass of sodium hydroxide is made from 1.20 x 102 g of sodium oxide? Na20 + H2O → 2 NaOH 6B.…

A: Na2O + H2O ===> 2NaOH  stoichiometry…

Q: The density of water is 1.00 g/mL at 4 degrees Celsius. How many water molecules are present in…

A: First of all calculate the mass of water by using given volume and density of water. Then calculate…

Q: Consider the reaction of solid P4 and chlorine gas to form gaseous phosphorus trichloride. a) Write…

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Q: A mixture is 19.9% NaCl, 21.0% CaCl2, and 59.1% NaBr. What mass of the mixture contains 0.485 moles…

A: mass of the mixture that contains 0.485 moles of chloride ions moles of sodium ions present in 24.0…

Q: What was the percent of potassium chlorate in the mixture

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Q: Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce aqueous…

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Q: Sand is mainly silicon dioxide. When sand is heated with an excess of coke (carbon), pure silicon…

A: Given : Silicon dioxide reacts with coke i.e carbon to produce silicon and carbon monoxide. Hence…

Q: 5.000 gram sample of hydrated beryllium carbonate, BeCO3·xH2O is heated according to the procedure…

A: To calculate the number of moles of H2O and BeCO3.

Q: Gaseous butane (CH3(CH2)2CH3) will react with gaseous oxygen (O2) to produce gaseous carbon dioxide…

A: 2C4H10 + 13O2 = 8CO2 + 10H2O

Q: Calculate the number of moles of chlorine present in 120  g g of chlorine gas.

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Q: In one analysis, the density of ozone in an air sample was found to be 5.00  10−8 mol/L. What is the…

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Q: 6. A student reported the following percentages for his unknown mixture: 25% NH4CI, 30% NaCI, and…

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Q: In measuring the sample that is placed into a SCUBA diver's tank it has the following gases: 52.00 g…

A: A numerical problem based on percentage concentration, which is to be accomplished.

Q: Aqueous hydrobromic acid  HBr  will react with solid sodium hydroxide  NaOH  to produce aqueous…

A: Given information,      0.809 g of hydrobromic acid is mixed with 0.55 g of sodium hydroxide

Q: Mole is the term used to express the quantities of substances involved in a chemical reaction. Mole…

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Q: A certain organic acid contains 26.68 % carbon, 2.24 % hydrogen, and 71.08% oxygen by mass. A 0.050…

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Q: How

A: moles of water = ( molecules of water ) / ( Avogadro number )  Where :  Molecules of water is 2.0 •…

Q: D. Aluminium metal reacts with sulphuric acid, H2SO4, to yield aluminium sulphate and hydrogen gas.…

A: In balance reaction 2 mole of aluminium react 3 mole sulphuric acid and produced 3 mole H2

Q: 12. The equation for the reaction of magnesium ribbon and hydrochloric acid is Mg(s) + 2 HCI(aq) →…

A: Since mass of Mg reacting  = 1.53 g Hence moles of Mg reacting = mass / Atomic mass = 1.53 / 24.3 =…

Q: During the decomposition of KClO3, 4.14 grams of oxygen gas are created. How many moles of KClO3…

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Q: The balanced chemical equation is P₄(s) + 6 Cl₂(g) → 4 PCl₃(g). What is the mass in grams of…

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Q: Lead ions can be precipitated from solution with KCl according to the reaction: Pb²+ (aq) + 2KCl(aq)…

A: Solution :-“Since you have posted multiple questions, we will provide the solution only to the…

Q: Wine is approximately 12% ethanol (CH3CH2OH) by volume. Ethanol has a molar mass of 46.06 g/mol and…

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Q: The molar mass of one empirical unit of the antidepressant rolicyprine (C7H&NO) is 122.1 g/empirical…

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Q: During the decomposition of KClO3, 2.84 grams of oxygen gas are created. How many moles of KClO3…

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Q: A mixture of butene, C4H8, and butane, C4H10, is burned in air to give CO2 and water. Suppose you…

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Q: During a laboratory experiment, a student initiated a reaction with 19.5 g of NaBH4 and excess BF3.…

A: Mass of NaBH4 = 19.5 g  BF3 = excess Mass of B2H6 gas = 7.00 g  The percent yield of B2H6 = ?…

Q: Limewater, a weak solution of calcium hydroxide, Ca(OH)2(s), is used to detect the presence of…

A: Given:- No of formula units of calcium carbonate in the solution= 8.7 x 1019 No of moles of  calcium…

Q: True or False? One mole of molecular O2 = 6.02 x 1023 O2 molecules. Mass of O2 in 100g of CO2 =…

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Q: Sulfur dioxide gas (SO2) reacts with excess oxygen gas (O2) and excess liquid water (H2O) to form…

A: Given data, Mass of sulfuric acid = 250 g Volume of sulfur dioxide = 67.2 L

Q: calculate the theoretical yield (g) of CO2 produced by the reaction.

A: Given :-  mass of C = 20.00 g  mass of O2 = 18.67 g  To calculate :-  mass/theoretical yield of CO2

Q: A person drinks 1.50 × 103 g of water, H2O, per day. How many moles is this?

A: Given,Mass of water = 1.50×103 gMolar mass of water is 18.015 g/mol

Q: Combustion of a hydrocarbon in a limited supply of air produces CO in addition to CO2 and H2O. When…

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Q: Step 3: Determine the limiting reactant. You have determined complete reaction of 64.7 g aluminum…

A: Limiting reactant is the reactant that is needed in excess to complete the reaction. By excess…

Q: 1. Find the number of moles of Argon in 452 g of Argon. 2. Find the grams in 1.26 x 10^-4 mol of…

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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".