compound formed. a. Strontium and Sulfur b. Barium and Selenium c. Gallium and Nitrogen

Q: D what is the mass of aluminunm Oxide Hoti9e almoD produced fom 174a AGn ganose (N) oxide cole a4…

A: Mass of MnO2 = 1.74 g  We need to determine mass of Al2O3 formed.

Q: Determination of a chemical formula, mass of crucible is 14.9234g, crucible + hydrated sample is…

A: Given  Mass of Crucible = 14.9234  Mass of hydrated sample = 1.6618 gram Mass of crucible + Mass of…

Q: Name the compound or supply the chemical formula:

A: As per the rules, the name or symbol of cation is written first followed by that of anion. If the…

Q: A pure gold ring contains 0.0102 mmol (millimol) Au. Howmany gold atoms does it contain?

A: Given: Moles of Au = 0.0102 mmol= 0.0102×10-3 mol To find: The number of gold atoms

Q: Analysis of a 29.1 g sample of water revealed a mass percent for lead of 4.35%. Calculate the number…

A: Mass percent of lead is equal to the mass of lead divided by the mass of water multiplied by 100.

Q: Solid lithium hydroxide is used to remove exhaled carbon dioxide from space vehicles by forming…

A: Lithium hydroxide is used to absorb CO2 gas. It was also used in APOLLO 13 mission. It absorbs…

Q: What other small molecule is produced in this reaction? Give the formula of the small molecule…

A:

Q: 11. A 3.75 g sample of pyrite (FeS2) contains 1.75 g of iron. What are the percentages of iron and…

A: We know that the general formulas for the percentage of constituent elements in the samples as…

Q: Explain how you can use the mole number (6.02 x 1023) to count atoms.  Answer in complete sentences.…

A: According to Avogadro's law for mole concept, one mole of any substance contains number of atoms…

Q: What type(s) of chemical reaction is (are) occurring in this experiment? (a) (b) What equipment do…

A: (a) Methanol (CH3OH) reacts with oxygen (O2) to produce carbon dioxide and water. The balanced…

Q: Delocalization of electrons and delocalization of electrons can give rise metallic bonding True O…

A:

Q: What are the potential errors that could occur when using the Kjeldahl method to determine the…

A: Kjeldahl method principle : Strong acid helps in the digestion of food and liberates nitrogen which…

Q: d. solid magnesium and diatomic nitrogen gas react to form solid magnesium nitride e. sulfuric acid…

A:

Q: A 1.628-g sample of a hydrate of magnesium iodide isheated until its mass is reduced to 1.072 g and…

A: Given data mass of sample  = 1.628  g mass of sample after heating = 1.072 g…

Q: many atoms are shown in this model?

A:

Q: What Is CHEMICAL COMPOSITION?

A: To find: The definition about chemical composition

Q: e mass percent of

A:

Q: 42. Aluminum + Hydrogen chloride → Aluminum chloride + Hydrogen 43. Phosphorus pentachloride + water…

A:

Q: Q/ 0.1 g a NaCL , qul Moarity2 L. Na = 23 . CI = 35.45 *

A: Kindly post question in english language from next time. I can't understand your language but…

Q: alculate reduced molar mass (in g/mol] for two particles with masses 30.4 g/mol and 57.7 g/mol. Note…

A: Given mass of particle 1(m1) = 30.4 g/ mol Mass of particle 2(m2) = 57.7 g/ mol Reduced mass =?…

Q: the limiting reagent is the number of IF, molecules formed is and the number of atoms/molecules in…

A: Before doing this problem we must know the concept of limiting reagent  In a chemical reaction one…

Q: Determining the Formula of a Hydrate #1: A 15.67 g sample of a hydrate of magnesium carbonate was…

A: Given :  Mass of sample of a hydrate of magnesium carbonate = 15.67 g Mass of sample after drying it…

Q: How many grams of RbC10, are formed i

A: Given :- mass of RbCl = 135 g  To calculate :- mass of RbClO4 (in g)

Q: 26,Sg iron l090 mitial 22.4mL woler 20.2'C cen sity watler 100g/m L pacily capmetly water: 4.184…

A:

Q: The proportion of sodium hydroxide in a mixture can be determined by

A: Sodium hydroxide in a mixture can be determined by various ways. Formula of sodium hydroxide is…

Q: Analysis of a 39.8 g sample of water revealed a mass percent for lead of 4.87%. Calculate the number…

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

Q: Draw the organic products formed in each attached reaction.

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Mass of Crucible and Cover= 62.17 g Mass of ……… and solid hydrate= 63.28 g Mass of ………. And residue=…

A: Note - Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: what did mercury oxide reactant look like and what did the products of decomposition reaction look…

A: Mercury oxide is HgO.

Q: 1.) The chemical formula for the ionic compound formed when elements of Ca and N react is , when…

A: Chemical formula of an ionic compound can be formed by criss-crossing the valencies of ions.

Q: Three samples (A, B, and C) of pure substance composed ofsodium, sulfur, and oxygen were isolated…

A: A question based on elemental analysis, which is to be accomplished.

Q: Consider a 15.0-g sample of a potassium salt. This compound is 32.86% by mass of potassium.…

A:

Q: A The total mass of the system will be the same because the atoms were only rearranged. The total…

A: A closed system is the one which do not allow any transfer of mass or energy to the surrounding.

Q: 19. The SI unit for amount of substance is

A: The amount of substance in a given sample of matter is defined as the number of entities divided by…

Q: A 1.30 g sample of titanium chemically combines with chlorine gas to form 5.16 g of titanium…

A:

Q: Mass of crucible, lid, and magnesium oxide                                             ____19.41…

A: Given: Mass of the crucible, lid, and magnesium oxide = 19.41 g And Mass of empty crucible and lid…

Q: What is a chemical formula?

A:

Q: The ratio of atoms in HCL is

A: A molecule contains the atoms in a fixed ratio. If this ratio is the minimum possible ratio, the…

Q: Mass of original KClO3 sample= Mass of KCl residue = Mass of Oxygen released = Mass Percent of…

A: Given :  Mass percent of Oxygen Experimental yield = 40.767% To find :  why experimental yield is…

Q: The ______ is a mixture of gases: mostly nitrogen and oxygen, with smaller amounts of argon, carbon…

A: Air is a mixture of gases.

Q: what are the physical properties of a meteor? - what are the chemical properties of a meteor?

A: A meteoroid that enters the earth’s atmosphere and vaporizes is called a meteor. It is also called a…

Q: Crystals of magnesium phosphate and glucose, C6H12O6(s), were dissolved together in a beaker of…

A: GIVEN:-  Crystals of magnesium phosphate and glucose, C6H12O6(s), were dissolved together in…

Q: a. Calculate the mass percent of sand in the mixture.

A: To answer questions regarding laboratory experiment.

Q: What are the two Common Reactions of Radicals ?

A: Radicals are the atoms or molecules that contain single electron which is unpaired. Radicals are…

Q: Complete

A: Since you have asked a question with  multiple sub-parts, we will solve  first three sub-parts for…

Q: same on both sides of the reaction arrow.

A: In the balance chemical reaction number of atoms of each element in both sides remains same

Q: 31. Bal, contains 64.9% I. How many grams of barium are in 26.50g barium iodide (Bal, ?

A: In this question, we want to determine the mass of Ba in grams unit. You can see details Solution…

Q: e the % by mass of Fe to T

A:

Q: the mass percent of magnesium in MgSO4.

A:

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.