a person consumes 4lts of oxígen (O2) per minute when breathing.how Many moles would that be per hour?

Q: How many grams of H2SO4 would be required to prepare 750.0 mL of 0.0900 N H2SO4?

A: Normality of solution = mass of soluteEquivalent mass of solute ×volume of solution(in L)  0.0900…

Q: What is the molar concentration of a solution made by dissolving 29.4 gg of NaClNaCl in enough water…

A: Mass of NaCl = 29.44g Molar mass of NaCl is = 58.44g/mol Volume of solution in L = 0.900L

Q: If you wish to prepare a 1.10 M solution of NaNO3, to what volume (in liters) would you have to…

A: Given, Initial molarity of NaNO3 solution, M1 = 2.53 M Initial volume of the solution, V1 = 28.0 mL…

Q: Calculate the molarity of a solution made by adding 54.9 gg of NaNO3NaNO3 to a flask and dissolving…

A: Mass of NaNO3=54.9 g The volume of solution =3.00 L The molar mass of NaNO3=84.99 g/mol The molarity…

Q: How many mol of C3H8 are needed to make  13.5 mol of CO2 ?

A:

Q: What mass of NaOH can be formed from 15 liters of 0.35M NaCl? What is the mass of the Chlorine…

A: The SI unit for the amount of substance present in a given compound is its number of moles. 1 mole…

Q: How many O2 molecules are needed to react with 2.14 g of S?

A:

Q: a) An aqueous solution contains 2.52 g of Pb(NO3)2 in one liter.  How many moles of each ionic…

A: Pb(NO3)2 is a strong electrolyte. I aqueous solution is dissociates completely as: Pb(NO3)2…

Q: What are the significant chemical species which are present in a solution of aqueous ammonia?

A: Aqueous ammonia solution that is ammonia dissolved in water . As we know ammonia is base , so it…

Q: What mass of calcium hydroxide could be reacted by 1.000 g hydrochloric acid?

A:

Q: what will be the number of moles of CO2 in 88 g of CO2?

A:

Q: How many molecules of hydrosulfuric acid could be reacted by 2.330 g scandium (III) hydroxide?

A: This problem can be solved by comparing stoichiometric ratio of hydrosulfuric acid and scandium(iii)…

Q: How many moles of O₂ are required to produce 2.50 mol of CO₂?

A: The reaction between carbon and  O₂ to produce CO₂ is as follows: C + O2 ---> CO2

Q: What is the mass of fish, in kilograms, that one would have to consume to obtain a fatal dose of…

A: Convert the unit of lethal mass of HgCl2: 1 g=1000 mgLethal dose=0.2 g                     =0.20…

Q: What mass of phosphoric acid in grams is needed to produce 4.59 mol of water?

A:

Q: what is the molarity of the resulting solution?

A:

Q: How many ions are produced when c6h12o6 dissolves in water?

A: C6H12O6 is glucose which is not an electrolyte. This is when dissolved in the water would lead to no…

Q: What is the mass percentage of O in CO2? Provide an answer to two decimal places.

A: Given,  The mass percentage of O in CO2 is:

Q: For the reaction 3 КОН + Н, РО, → K,PO, + 3 H,0 how many grams of phosphoric acid, H3PO4, are needed…

A: Consider the molar masses of reactant and product species as; Molecular mass of KOH = 56.10 g/mol…

Q: How many total moles of ions are released when 1.77 mol of Rb2SO4 dissolves completely in water?

A:

Q: What mass of calcium hydroxide could be reacted by 1.00 g hydrochloric acid?

A: The reaction between calcium hydroxide and hydrochloric acid…

Q: What volume of carbon dioxide (CO2) will be produced if 2.90 moles of iron (Fe) is produced?

A: 3. Given :- Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g)  no.of moles of Fe produced = 2.90 mol  To…

Q: how many moles of Al2O3 can be formed by 19.2 grams of O2?

A: We will consider only oxygen moles not aluminium moles assume aluminium amount is in excess.

Q: How many grams of NaAIO2 is produced using the same amount of NaOH

A: Firstly, Discuss the reaction of NaOH to produce NaAlO2 is: 2NaOH + 2H2O → 2NaAlO2 + 3H.

Q: 2) How many moles of sodium will react with water to produce 4.0mol of hydrogen in the following…

A: Number of moles = mass/molar mass  Mass = moles × molar mass  molar mass of H2O = 18.0 g/mol  At STP…

Q: How many moles of CO2 are present in 180.9g? Round to 2 decimal places.

A:

Q: If a 57.0 g sample of octane is burned and 152 g of CO2 is formed, what is the %yield of CO2?

A:

Q: How many O2 molecules are needed to react with 4.58g of S?

A: Number of molecules can be calculated by using following formula Number of molecules = moles ×…

Q: Physiological saline concentration—that is, the sodium chloride concentration in our bodies—is…

A: Record the given data, Molarity of NaCl solution is 0.16 M  Volume of NaCl taken is 25.0 ml = 0.025…

Q: Consider the following reaction at 25 °C: 3 Ni(s) + N2(g) + 3 H,0(g) → 3 NiO(s) + 2 NH3(g) Given the…

A: ∆H = 391.3 kJ/mol

Q: Molarity, is the concentration of a solution expressed in terms of moles solute per liter of…

A: Given-> Weight of CuSO4 = 25.718 gm Volume = 157.5 ml = 0.157 L (1L = 1000 ml)

Q: If one ounce (28.4g) of butane is burned completely, what mass of CO2 is formed?

A: When butane (C4H10) is burnt then following reaction takes place 2C4H10 + 13O2 -> 8CO2 + 10H2O

Q: How many grams of O2(g) are required to react completely with a piece of magnesium metal that…

A: Given data,  A piece of magnesium metal that measures 0.10 cm × 1.0 cm × 4.0 cm  Density of…

Q: Lithium hydroxide solid is used for removing gaseous carbon dioxide exhaled by astronauts in space…

A: A numerical problem based on mole concept, which is to be accomplished.

Q: Sodium metal and chlorine gas can be produced by the electrolysis of molten  Sodium chloride as…

A: The reaction taking place is given as => 2 NaCl (l) --------> 2 Na (l) + Cl2 (g) Given : Mass…

Q: Aqueous solutions of ammonia 1NH32 and bleach (active ingredient NaOCl) are sold as cleaning fluids,…

A: The oxidation number is the charge present on the atom in the given compounds. The oxidation number…

Q: What mass of a concentrated solution of nitric acid (68% HNO3 by mass) is needed to prepare 400 g of…

A: Percentage of solution can be determined by dividing the mass of the soluteby the mass of the…

Q: Water "softeners" remove metal ions such as Ca2+ and Fe3+ by replacing them with enough Na+ ions to…

A: Ca2+ and Fe3+ are cations with 2 positive and 3 positive charge respectively whereas Na+ ion has one…

Q: How many of liters 3.5 M of C3H&O can be prepared by 70 grams of C3HSO?

A: Molarity: It is defined as the number of moles of solute present in one liter of solution. It is…

Q: Calcium sulfate dihydrate (commonly known as gypsum) dissolves in cold water to the extent of 0.241…

A: Molar mass of Calcium sulfate dihydrate = 172.17 g / mol

Q: The maximum dose of sodium hydrogen phosphate (Na2HPO4, molecular mass = 142.0 amu) that should be…

A: Na2HPO4 (s) → 2Na+ (aq) +  HPO42- (aq) mass of Na2HPO4 = 3.8g moles of Na2H2PO4  = mass in g / molar…

Q: How much glucose, C6H12O6, in grams, must be dissolved in water to produce 61.5 mL of 0.395 M…

A:

Q: How many gigayears are in a 2.050 x 1033 femtoseconds? (Assume 365 days per year.)

A: 1 femtosecond is exactly equal to 10-15 second. 2.05 × 1033 femtoseconds are equal to 2.05 × 1033 ×…

Q: What is the mass of CaCl2 that can be produced from 0.456g of HCI?

A:

Q: Calculate the percent yield of Cl2 (g) in the electrolytic decomposition of hydrogen chloride (HCl)…

A: The percentage yield can be calculated with the help of theoretical and experimental yield.

Q: Calculate the volume (in mL) of 3.792 M sucrose containing 0.6185 moles sucrose.

A: Given :-  Molarity of solution = 3.792 mol/L  Number of moles of solute (sucrose) = 0.6185 mol  To…

Q: How many total moles of ions will form when one mole of Na2SO4(s) is dissolved to form an aqueous…

A: Given, compound Na2SO4(s)

Q: How many grams of a 7.50% by mass calcium nitrate solution are needed to obtain 3.75 grams of…

A: In this question, we want to determine the mass of the solution which needed to obtained 3.75grams…

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: Molarity, is the concentration of a solution expressed in terms of moles solute per liter of…

A:

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".