A student performs an experiment like the one you saw in Experiment 8.  The student determines that the percent by weight of a hydrogen peroxide solution is 3.45%.  What is the total mass of the hydrogen peroxide solution and Erlenmeyer flask (empty flask weighs:  84.444 g) if the reaction produces 0.178 g of oxygen gas?   molar mass O (16.000 g/mole) molar mass H (1.008 g/mole) gas constant R=0.08206 (L atm)/(mole K)

Q: A 25.0 mL aqueous solution of 1.32 M K₂SO4 is necessary for a particular reaction. How many grams of…

A: Molarity of substance is the number of moles present in one litre of solution.

Q: For the following unbalanced chemical equation, suppose 10.1 g of each reactant is taken. Show by…

A: We have been given a reaction and we have been given mass of each reactant =10.1g.We have been asked…

Q: 2H,S (g) + 302 (g) → 2H,0 (g) + 2So, (g) If 3.50 g of H,S are used in the above reaction, what will…

A: Given mass of hydrogen sulphide gas = 3.50 g

Q: 8. Consider the following reaction: 2Na(s) + Cl₂ (g) 2NaCl(s) a) If 10.0 g of each of the reactants,…

A:

Q: how many liters of carbon dioxide will react with sodium hyrdoxide solution that has a mass of 60.00…

A: Number of moles = mass/molar mass  1 mol gas = 22.4 L (at STP)

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

A: The reaction can be written as follows:The given mass of HBr = 69.6 gThe given mass NaOH = 45. g The…

Q: A student carefully measures 1.069 g of an unknown brown copper chloride and dissolves it into…

A: Let the empirical formula of the copper chloride be CuClx. Copper chloride reacts with Zinc to form…

Q: Use the References to access important values if needed for this According to the following…

A:

Q: An unbalanced equation for the reaction of methane gas (CH4) with oxygen is shown below. CH4 + O2 →…

A: given unbalanced chemical equation CH4 +   []  O2 → 2CO2 + 4H2O to find  number of oxygen molecule's…

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

A: HBr reacts with NaOH to produce salt NaBr and water. This is an acid base reaction or also called…

Q: Hydrobromic acid dissolves solid iron according to the followiaung reaction: Fe(s)+2HBr(aq)→…

A: The reaction of iron and hydrobromide is given by equation 1.So, from equation (1) one mole of iron…

Q: A 6.5x103 kg sample of titanium (IV) chloride is reacted with a 1.24x103 kg sample of magnesium,…

A:

Q: If a solution containing 107.7 g of mercury(II) chlorate is allowed to react completely with a…

A:

Q: If you mix 39.7 mL of 0.320 M solution of K2CrO4 with 50.5 mL of a 0.320 M solution of AgNO3, what…

A: The volume of K2CrO4 = 39.7 mL= 0.0397 L The volume of AgNO3 = 50.5 mL= 0.0505 L. The molarity of…

Q: Consider the combustion of methane.   CH4(g)+2O2(g)→CO2(g)+2H2O(g)  Suppose 2.5 mol  of methane are…

A: Given:Moles of CH4 = 2.5 mol.Moles of O2 = 3.5 mol.

Q: ABS plastic is a polymer consisting of three monomer units: acrylonitrile (CsHsN), butadiene (C&H6),…

A: Let the mass of the ABS plastic be 100 g. Mass of nitrogen in the ABS plastic = 11.9 g So, moles of…

Q: HCl (aq)           +          NaOH (s)        →        NaCl (s)           +          H20 (l) In the…

A: The given chemical reaction is as follows: HCl(aq) + NaOH(s) → NaCl(s) + H2O(l) The given mass of…

Q: . A mass of 8.85g N2 H4 (g) reacts with 24.31 g of oxigen. If 16.2g NO2 (g) is collected, what is…

A:

Q: [Review Topics] [References] Use the References to access important values if needed for this…

A:

Q: If a 88.2 gram charcoal briquette (assume pure carbon) is burned in an excess of oxygen, what mass…

A: Combustion :- The process of burning a substance in excess of air or oxygen is known as combustion…

Q: A sample of limestone and other soil materials was heated, and the limestone decomposed to give…

A: Given: Weight of impure sample of limestone =4.138 g Weight of CO2 = 1.49 g We know that molar mass…

Q: Morphine (C₁₇H₁₉NO₃) is a painkiller in the opiate family. A sample of morphine was discovered that…

A: Given: When morphine undergoes combustion, carbon dioxide is produced. Mass of mixture            =…

Q: Ca(s) + 2HCI(ag)--> CaClalaq) + H2(g) What is the mass of CaCl, that can be produced from 0.621 g of…

A:

Q: Suppose a 250. mL flask is filled with 0.40 mol of CO, 1.6 mol of CO₂ and 0.20 mol of H₂. This…

A: The ICE table gives the initial concentration of compounds, change in concentration of compounds,…

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: The drawing below shows a mixture of molecules: carbon nitrogen oxygen key hydrogen sulfur chlorine…

A: Supposed the following chemical reaction take place in this mixture:2H2(g) + O2(g) ---->…

Q: A chemist wishes to perform the following reaction: N2 + 3 H2 → 2 NH3 If only 14.0 g of N2 is…

A:

Q: For the following reaction, 0.343 moles of sulfuric acid are mixed with 0.223 moles of calcium…

A: Given :- Sulfuric acid (aq) + calcium hydroxide (s) → calcium sulfate (s) + water (l)  No.of moles…

Q: Consider the following balanced chemical equation:    4KO2(s) + 2H2O(l)  →  4KOH(s) + 3O2(g)…

A: 4KO2(s) + 2H2O(l)  →  4KOH(s) + 3O2(g) Given Mass of KO2 = 47.1 g  Given Mass of H2O = 47.1 g  Molar…

Q: 39.06 g C6H6) + (120.00 g O2) ------------> (132.03 g CO2) + (x g H2O)   Assuming that both…

A: The balanced reaction is as shown below. C6H6 + 7.5O2 ------------> 6CO2 + 3H2O Since for each…

Q: - Consider a 3.52-g sample of CaCO3 (99.87% pure) in a flask and a 100.0 mL sample of vinegar (5%…

A:

Q: According to the following reaction, how many grams of water will be formed upon the complete…

A: Given, Mass of oxygen gas = 30.0g

Q: Consider the balanced chemical reaction below. How many grams of carbon monoxide are required to…

A:

Q: For the following reaction, 2.72 grams of methane (CH4) are allowed to react with 30.4 grams of…

A:

Q: When chemists work with solid materials, we simply weigh out amounts of solid reagents and calculate…

A: The molar mass of ammonium chloride is 53.49 g/mol. The number of moles of ammonium chloride present…

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".