22) An 85.5-g sample of Hg in a barometer 23) A 0.251-g Ti metal heart valve 24) A 10.0-g sample of N20 gas

Q: 41. A nitric acid solution containing 71.0% HNO3 (by mass) has a density of 1.42 g/mL. Ho many moles…

A: Given that mass percent of nitric acid is 71% and density is 1.42 g/m L.

Q: B. Weight of Na2SO4 Sample 0.3512 g C. Total Vol. of Precipitant (BaCl2) used WITH 1М ВаCI2 PLEASE…

A:

Q: What volume of nitrogen should be produced with 5.8L of carbon monoxide (CO)? 2C7H5(NO2)3 ---> 2C…

A: The given equation is

Q: What mass of AgI (234.8 g/mol) can be produced from a 0.8093 g sample that is 47.6% MgI2 (278.11…

A: 0.8093 g of sample has 47.6 % MgI2 . Here, we have to calculate the mass of AgI that can be produced…

Q: For Exercises 11–15, calculate the quantities needed to prepare the solid and semisolid compounds.…

A: The mass of lidocaine cream is = 50 g The concentration of lidocaine cream is = 1.5 % The amount of…

Q: 3. A 1.20-gram sample of a hydrated salt is heated to a constant mass of 0.80 gram. What is the…

A: Introduction: The amount of water in a hydrated salt can be determined by drying the hydrated salt.…

Q: 3. What mass of bromine gas is required to react with 2.80 moles of aluminum? 3 mole Br, 2.80 moles…

A: The amount of product formed in any reaction depends upon the stoichiometric coefficients of the…

Q: If 0.1718 L of a 0.3556-M C3H7OH solution is diluted to a concentration of 0.1222 M, what is the…

A: In the process of dilution, the solvent is added in a solution, than the volume of solution…

Q: Length of heating time for empty crucible and lid                                        _____10.0…

A: Given  Length of heating time for empty crucible and lid  10 min Mass of empty crucible and lid…

Q: Potassium chlorate, potassium chloride, and water is produced by passing chlorine gas into a hot…

A: A mole of substance weighs its molar mass and contain avagadro number of particle and occupied 22.4…

Q: A sample of a 20.0 % solution of KCI in water has a mass of 400. g. What mass of KCI is contained in…

A: A solution is made up of two components solute and solvent. A solute is present to a lesser extent…

Q: 1) Which is the only nonmetal oxygen cannot displace from its compound? 1) Nitrogen 2) sulfur 3)…

A:

Q: To determine the amount of platinum in an alloy, a 8.565 g8.565 g sample of an alloy containing…

A:

Q: The chemical reaction "Oxygen gas plus solid phosphorus yields diphosphorus pentoxide" is an example…

A: Redox reaction occurs when oxidation and reduction take place at the same time in a chemical…

Q: Table 6. Calculations for percent by mass Sample 2 Sample 3 Sample 1 26.071 28.702 28.207 [1] Mass…

A: First of all you need to calculate the no of moles of NaOH used in the titration using formula -…

Q: Ammonia, NH3, can be synthesized by this reaction:

A: Given,  Amount of NO is 45.8 g Amount of H2 is 12.4 g Formula Used,

Q: A 4.64 g sample of a laboratory solution contains 1.47 g of acid. What is the concentration of the…

A: The mass of the sample is = 4.64 g The mass of acid in the sample is = 1.47 g The mass percent of…

Q: To make 1.00 L of 1.00 M NaOH solution, what mass of NaOH needs to be weighed out?

A: 1 M NaOH solution means 1 mole NaOH is present in 1000 mL means 1 L solution.

Q: An impure sample of table salt that weighed 0.8421 g when dissolved in water and treated with excess…

A: Sodium chloride reacts with silver nitrate to form silver chloride and sodium nitrate.

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

A:

Q: e theoretical yield of

A:

Q: 1) Na OEt ? 2) H,0O efa OH (А) (B) (C) (D) (E)

A: This reaction is example of claison condensation.

Q: MASS PERCENT Complete the table: Mass Solute Mass Solvent Mass Solution Mass Percent 238.1 g 15.5 g…

A: From given table For first row  Mass of solute = 15.5 g  Mass of solvent = 238.1 g    For second row…

Q: The following quantities are placed in a container: 1.5 × 1024 atoms of hydrogen, 1.0 mol of sulfur,…

A: Given data: No of atoms of H in container = 1.5×1024 atoms Mole of Sulphur present in container =…

Q: A 0.8720-g sample of a mixture consisting solely of NaBr (102.89 g/mol) and KBr (119.00g/mol) yields…

A: Assuming we have "a" grams of NaBr and "b" grams of KBr in the sample Since the mass of sample =…

Q: A student performs an experiment like the one you saw in Experiment 8.  The student determines that…

A: Using the concept of weight percentage by mass we can calculate the total mass.

Q: The balanced equation below shows a simple way of manufacturing hydrogen gas in lab (you've done…

A:

Q: 6. Laughing Gas 7. Vinegar 8. Alcohol (Ethyl) 9. Citric Acid 10. Ammonia

A: Concept based on the chemical formulas of the given names.

Q: Mass of sodium is 22.99, oxygen 16.75g hydrogen 1.21g how many grams of NaOH are in 305 ml of a .6M…

A: Given : Concentration of NaOH solution = 0.6 M And volume of NaOH solution = 305 mL = 0.305 L…

Q: How many grams of NH3 would be produced by the reaction of 12.0 g of H2?          N2(g)      +…

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is…

Q: The product of 79.7 m x 9.31 m is m2

A: Given: 79.7m x 9.31m Both the given values have 3 significant figures with it.

Q: A 30.141 mg sample of a chemical known to contain only carbon, hydrogen, sulfur, and oxygen is put…

A: To determine the empirical formula , we would determine the moles of Carbon, Hydrogen , sulfur and…

Q: If 101 g of CaO and 280. g of NH4Cl are mixed, what mass of NH3 can be produced?

A: Given,CaO is 101 gAmmonium chloride is 280 gMolar mass of CaO is 56.0774 g/molMalar mass of Ammonium…

Q: A 12.3 g sample of an alloy of Mg and Al produces 1.66 mol of H2 when added to excess HCl. What…

A:

Q: Zinc reacts with hydrochloric acid to make zinc chloride and hydrogen. Zn HC 220g lain what will…

A: The solution is as follows:

Q: Determine the mass of 500g of ammonia   % solute by mass 28 density 0.90 g/mL

A: % solute by mass= 28 % This means 28 g of ammonia in 100 g of solution. Density =0.90 g/m

Q: At the standard conditions, 22 g carbon dioxide (CO2) takes up a volume of ________ L  (Hint: atomic…

A: Given data,Mass of CO2=22gAtomic weight of C=12g/molAtomic weight of O=16g/mol

Q: If the mass of crucible and lid = 21.17 g Mass of crucible and lid and salt = 23.02g Mass of…

A: Given: Mass of crucible and lid = 21.17g Mass of crucible and lid and salt = 24.23g Mass of crucible…

Q: How many grams of H2 are needed to produce 11.80g NH3?

A: Given information: grams of NH3 are 11.80 g

Q: A stock sulfuric acid solution contains 98.0% of sulfuric acid, and its density is 1.840 g/mL. How…

A:

Q: 4. A 0.8720-g sample of a mixture consisting solely of sodium bromide and potassium bromide yields…

A: Mass percentage is an important method to find out the concentration of a solution. It is usually…

Q: H;O + 45.00g of oxygen will produce how many grams of carbon dioxide? C:Hs +_0; →_

A: 2) In the above given equation in question, the compound  C2H8 does not exist.But if we assume that,…

Q: Weight of Na2SO4 Sample 0.3512 g   C. Total Vol. of Precipitant (BaCl2) used WITH 1M BaCl2…

A: Given that the weight of Na2SO4 sample is 0.3512 g.

Q: A mixture contains only NaCl and Fe(NO3)3. A 0.456-g sample of the mixture is dissolved in water,…

A: Given a mixture has NaCl+Fe(NO3)3. When excess NaOH is added, Fe(NO3)3 reacts with NaOH and forms…

Q: Complete the table. Mass Mass Mass Mass Solute Solvent Solution Percent 2.55 g 25.0 g 45.8 g 3.8%…

A: For 2nd and 4th row I have filled the table Mass solute Mass solvent Mass solution Mass percent…

Q: 1. What volume of 65% nitric acid with a density of 1391 kg / m ^3 can be produced from 1.5 tons of…

A:

Q: 3. A 2.00 g sample of BrxOy is converted to 2.936 g of AgBr. Determine x and y.

A: 2.00g of BrxOy gives 2.936g of AgBr % of Br= ( Mol mass Br/ mol mass AgBr).100

Q: What percentage of NaCN is carbon? A. 25 % B. 31 % C. 11 % D. 22 %

A: To calculate the percentage of carbon in NaCN we should have to know total mass of NaCN ( i.e…

Q: rocedure 1: 846.0 grams of calcium oxide and 264.0 grams of water are combined in order to produce a…

A: