Which of the following can be used mole as a unit to count paticles/atoms? A. Pharmaceutical scientists count C27H35N6O8P particles in a Remdesivir drug to treat the severity of the CoVid 19 patients.

Q: 1. CuSO4.5H2O + O2 (heated)_______ + H2O  CUSO2 CuSO4 Cu2SO2 2. FeSO4.7H2O is called _____________.…

A: The given sulfates are hydrated sulfates of transition metals.

Q: a. What mass is represented by 0.0146 mol of C3H7OH (2-propanol, rubbing alcohol)? Mass %3D b. What…

A: a). Given: The moles of C3H7OH = 0.0146 mol. The molar mass of C3H7OH = 60.09 g/mol.

Q: C. The number of oxygen atoms in 7.35 g of barium nitrate. Ba(NO₂)

A: since you have asked for part C only, we are providing you a solution for part c only

Q: 48. How many molecules of caffeine, C4HSN2O, are there in 18 g of caffeine? a. 1.12 ×10E23 b. 1.05…

A:

Q: The composition of a commercial cold remedy mixture is 87% aspirin, 7% caffeine, 6% vitamin C. What…

A: Mass of mixture that contains 5 g Caffeine = ? % of aspirin = 87 % % of caffeine = 7% % of vitamin C…

Q: Which does NOT describe a mole?A. a unit used to count particles directlyB. Avogadro’s number of…

A: Mole is an SI unit used to measure the amount of the substances present. One mole of the substance…

Q: 15. A compound contains 1.90% H, 67.6% CI, 30.5%O? What is its empirical formula? O A. HCIO B. HCIO2…

A: “Since you have asked multiple question, we will solve the first question for you as per our…

Q: I Review I Constants I Periodic Table When a chemical reaction occurs, atoms rearrange to form new…

A: Two question based on general chemistry, which are to be accomplished.

Q: What is the mass in grams of 0.699 moles of glucose, C6H12O6 ? A. 0.00388 g B. 67.1 g C. 126 g D.…

A: Mole: It is defined as the unit for measurement of the amount of substance in the International…

Q: a. What is the molar mass of Prevacid? Molar mass = g/mol %3D b. What mass of fluorine is in 0.73…

A:

Q: rtobstodafo I nominoq В. Determination of NaCl 86.096 1. Mass of evaporating dish #2, watch glass,…

A:

Q: a. 0.25 mol of potassium sulfate b. 1.2 mol of glucose (C6H1206)

A:

Q: 1. A sample of 2 tsp of sugar (C12H22O11) weighs 9.00 g. a. Record each step needed to calculate the…

A: We can calculate the moles of any substance from the following formula : Moles of substance = mass…

Q: A sample is found to contain 0.650 mole of a chemical substance. a. How many atoms are present if…

A:

Q: 18. The chemical formula for hydrogen sulfide is H,S. What is the percent composition by mass of…

A: Step 1: Solution Given,Compound = H2Smolar mass of : hydrogen(H) = 1 g/mol, Sulfur(S) = 32…

Q: 23. How many oxygen atoms are in 1.50 mol of SO3? a. 7.71 x 1021 atoms b. 1.12 x 1022 atoms c. 3.01…

A: 1- First we will determine the moles of oxygen in SO3 : 1mol of SO3 have = 3mol of oxygen atom…

Q: Allyl sulfide C6H10SC6H10S, is the substance that gives garlic, onions, and leeks their…

A: Molecular formula of allyl sulfide = C6H10S Molecular weight of allyl sulfide = (12.01 * 6) + (1.01…

Q: Use the References to access important values it needed for a. How many ATOMS of carbon are present…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: 2. A sample of 2 tsp of sugar (C12H22O11) weighs 9.00 g. a. Record each step needed to calculate the…

A: a. Given that: Mass of sugar = 9.00 g. Molar mass of C12H22O11 = 12×12 + 22×1 + 11×16Molar mass of…

Q: Aspartame is an artificial sweetener that is160 times sweeter than sucrose(table sugar) when…

A: The answer to the following question can be given as -

Q: Moles and Chemical Formulas Finding the Simplest Formula 1. Mass of empty crucible + cover 2.…

A: We would use the experimental data to calculate the mass of magnesium and compound.  Then to…

Q: 1.How many moles of O are in 11.2 molmol Fe(NO3)3? Express your answer in moles to three significant…

A:

Q: What is the mass in grams per mole?

A: Information about the question

Q: The semi-precious stone turquoise is a hydrate and with the chemical formula CuAl₆(PO₄)₄(OH)₈･4 H₂O.…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: Consider an iron bar on a balance as shown   As the iron bar rusts, which of the following is true?…

A: Rusting of iron is a chemical process in which iron combines with oxygen from the air to form iron…

Q: An unknown compound comprised of osmium and chlorine is 40.11% osmium by mass. a. If you assume…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: Calculate the percent by mass of each element

A: General formula for calculating percent by mass:- Percent by mass of X in XYZ =( mass of X/total…

Q: Which of the following is not true for 1 mole of the compound (CH3)2O?          a.     It contains…

A: 1 mole of a molecular/atomic substance is that amount of the substance which has 6.022×1023…

Q: Determine the amount of mass produced AuCl3 when 10grams of Cl2 is reacted with Au.

A: 2 Au(s) + 3 Cl2(g) → 2 AuCl3 (g) From this Balanced chemical equation we get that ; 3 mole of Cl2…

Q: 4. Bismuth (II) Nitrate a. Calculate it's molar mass b. 84.56 g Bismuth (II) Nitrate = mols Bismuth…

A:

Q: Calculations (show all of your work) ions to raza sicoibni blsiy musiq 1. Mass of copper (actual…

A: mass of zinc = 0.242 gmolar mass of zinc = 65.38 g/molmolar mass of Cu = 63.54 g/molActual yield of…

Q: 2. What is the percent by mass of each element in the following compounds? Compound % By Mass(for…

A:

Q: What is the percent by mass of Cl in the compound? d 0 of 2 points earned 2 attempts remaining What…

A:

Q: 6. Which of the following has more atoms? A. 1.10 g of hydrogen (H) atoms B. 14.7 g of chromium (Cr)…

A: Avogadro's number is the number of units in one mole of any substance which is equal to 6.023×1023 .…

Q: 1. Determine the percent composition of the following: a. A scientist analyzes a 50.0g sample and…

A: Here we are required to find the percentage composition.

Q: 51 Caffeine Caffeine, found in coffee, tea, chocolate, cola beverages is a highly popular stimulant…

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

Q: Determine the number of moles in 2.58 kg of lithium Sulfate (Li₂ sou) Balance this equation: -NH3t…

A:

Q: 0. How many grams of platinum contain the same number of atoms as 49.5g of mercury?

A: Applying mole concept and number of atoms.

Q: The carat is the unit of mass used by jewelers, and it is exactly 200 mg. How many carbon atoms are…

A: In international system of unit, there are seven basic units. Out of those seven unit Mole is one of…

Q: [References] Draw a resonance structure, complete with all formal charges and lone (unshared)…

A: Resonance structures are the collection of Lewis structures which indicate the distribution of…

Q: A compound is found to contain 31.42% sulfur, 31.35% oxygen, and 37.23% fluorine by mass. a. What…

A: we have to calculate the empirical formula and molecular formula of the compound

Q: 5. Magnesium Phosphate a. Calculate it's molar masS b. 183.58g of Magnesium Phosphate = mols…

A: Number of moles is the ratio of given mass of the substance to the molecular mass of the substance.

Q: 1. Molar Masses: а. Соpper oy nerti elgmsxe tot t at ouSs1) S b. Chlorineun elortwa of prirreve ne…

A: Mass of hydrated sample = (Mass of evaporating dish + hydrated sample) -(Mass of evaporating dish)…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.