A4 S4C and 727 , caleslate the number of males and mass of 1.55 L of CH,

Q: 1. What is the normality of a solution that contains 2.5 grams of Na:S2O3.5H2O in 500 ml water?

A: Normality is defined as the gram equivalent weight of solute dissolved in one liter of solution.…

Q: The mass of 4.375 x 1016 molecules of compound with the molecular formula C3H9N is ______ g. Report…

A:

Q: JOP3JH-1J n/WsvrRAXK6XnHkiRvH2t180AR2-EPP O CHEMICAL REACTIONS Solving for a reactant using a…

A: The chemical equation for the reaction of ammonia with oxygen gas is as follows:

Q: he volume neec

A: Given: M2=8 MV2=500 mLDensity=1.19 g/cm3Percentage w/w=37% To find: Volume required

Q: Fingernail–polish remover is primarily acetone (C3H6O).How many acetone molecules are in a bottle of…

A: Given data contains, Volume of acetone is 325 mL. Density of acetone is 0.788 g/cm3.

Q: How many moles of phosphate ions are in 1.00 lb of Ca3(PO4)2 ? 1 lb = 453.59237 g exactly

A:

Q: The following chemical equation has NOT been balanced.   H3PO4 + Ca(OH)2 --> Ca3(PO4)2 + H2O…

A: Given, mass of H2O = 17.94 g  Molar mass of H2O = 18.01 g/mol  Molar mass of Ca(OH)2 = 74.09 g/mol

Q: compound contains only Mn and F. The ratio of Mn and F is 1.73 moles of F per 1 mole of Mn.  If the…

A: Given Empirical formula of Compound is MnFx Molar ratio of Mn and F is 1.73 We have to determine…

Q: O Chemical Reactions Using molarity to find solute mass and solution volume 0/3 Bi A chemist adds…

A: Step 1: Calculation of moles of sodium thiosulfateGiven,molarity of sodium thiosulfate solution =…

Q: What mass of Cu(NO3)2 (187.6 g/mol) is present in 75.0g of 1.25m Cu(NO3)2 (aq)? Answer should be…

A: Molar mass of Cu(NO3)2 = 187.6 g/mole Weight of Solution = 75.0 g Molality = 1.25 molal

Q: Part B C2H6O Express your answer to two decimal places and include the appropriate units. ? Molar…

A: Molar mass of a chemical species is basically the summation of atomic mass of each kind of atoms…

Q: Example 60 mice, each weighing 2 kg, were used in a lethal dose (LD50) experiment. The number of…

A: Answer..

Q: 4. How do you distinguish a. Chemical properties from physical properties b. Distillation from…

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

A:

Q: If the leak were allowed to continue, how many kilograms of CI will be emitted into the atmosphere…

A: It is given that the amount of CHF2Cl released from the air-conditioning system per month is 18.0…

Q: 5) King Krator the Merciless has called on Pogo, a humble goldsmith, to make a crown for the King.…

A: The mass of gold given by King Krator to gold Smith Pogo is ---- 14 oz. The density of gold=19.3…

Q: Calculate the mass (in grams) of chlorine in 5.56 gram of C2F3CI3. Report answer to two decimal…

A: The compound given is C2F3Cl3. Mass of C2F3Cl3 given = 5.56 g

Q: The human body can get energy by metabolizing proteins, carbohydrates or fatty acids, depending on…

A: Since the energy content of the food is depends on only the number of carbon present in that food.

Q: (a) A student has a 10.0g sample of CaBr2. Show the setup of the calculation to determine the number…

A: The number of the moles of any substance present in a sample is the ratio of the given mass of that…

Q: The molecular formula for potassium hydrogen phthalate (abbreviated KHP) is C3H5O4K. What is the…

A: Given :- KHP  Formula = C8H5O4K  To calculate :- It's molar mass

Q: Polyethylene is a hydrocarbon polymer used to produce food -storage bags and many other flexible…

A: The mass of polyethylene combusted is 1.26 g,The mass of CO2 produced is 3.94 g,The mass of H2O…

Q: m mass c

A:

Q: 8.930 12.2mL Metal C 3 sig fig 3. Calculate the mass in grams of a 525 cm³ block of lead. 1. 525…

A: Given, Volume of lead block = 525cm3. Density of lead = 11.342g/cm3.

Q: Valuable minerals (chemicals) can be obtained from ores, which are natually occuring mixtures. One…

A: Given : Mass percent of magnetite in ore = 38 % Mass percent of iron in magnetite = 72.4 % And mass…

Q: 2. Assume the density of air at room temperature is 1.2 g/mL. A student is holding two balloons…

A: Given information, Density of air at room temperature = 1.2 g/mL Density of balloon filled with…

Q: Limestone is typically 50.0% (w/w) CaCO3. How many grams of CaCO3 are present in a limestone sample…

A: Here we are required to find the mass of calcium carbonate present in 1.2 kg

Q: Express 250 mcg/mL Warfarin sodium as a percentage (wN) O 0.0001 0.025 0.10 0.25

A:

Q: I am having a bit of trouble with significant figures and rounding. In a question such as the one…

A: Significant figures are basically the measure of uncertainty in measurement.In the answer,digits are…

Q: 5.) What did the student do wrong with the following set-up for the calculation of 1.83 x 10…

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".