a) Determine the number of molecules found in 5.00 mol of water. B) Calculate the number of moles of lead present in 8.6 × 1017 atoms of Pb. C) Determine the number of oxygen atoms found in 1.75 mol of potassium sulfate, K2SO4.

Q: Find the molecular formula of a compound that contains 30.45% nitrogen and 69.55% oxygen. The molar…

A: Molecular formula of the constituent elements is written as chemical symbol of elements. The number…

Q: Calculate the number of phosphorus atoms in 100.0g sample of diphosphorus pentoxide (P2O4).

A:

Q: 4. How many atoms of sulfur are in 10.18 mol of tetrathionate (S4O,2-) ion? O 2.451 x1025 atom O…

A: 1 mol of any substance contains avogadro number of atoms or ions. Avogadro's constant= 6.023× 10^ 23

Q: Consider an alternate universe in which Nickel has a molar mass of 63.45 g/mole. Use this…

A: Step 1:Step 2:

Q: Ammonium phosphate NH43PO4 is an important ingredient in many fertilizers. It can be made by…

A: The given mass of ammonia = 7.5 gThe mass of ammonium phosphate produced = ?

Q: Determine the percent by mass of each element in morphine (C16H21NO3)

A: Molar mass of carbon = 12 g/molMass of carbon in morphine = 16 x 12 g…

Q: The number of moles in 37.80 g of C2H6O (molar mass = 46.1 g/mol) is?

A: Given information,       Mass of C2H6O is 37.80 g.     Molar mass of C2H6O is 46.1 g/mol.

Q: a) How many molecules are present in 5.32 moles of chalk (CaCO3)? b) How many oxygen atoms are…

A:

Q: . How many moles does 6.45g of Acetic Acid (HC2H3O2) contain?

A:

Q: How many molecules are there in a 5.13-mg sample of chlorine trifluoride

A: The formula of chlorine trifluoride is ClF3  Hence the molar mass of ClF3 = Atomic mass of Cl + 3 X…

Q: Calculate the molar mass of Ca(BO2)2·6H2O.   Answer Choices   273.87 g/mol 174.89 g/mol 143.71…

A: The individual molar mass of each element is given byCalcium 40.078g/molBoron 10.81g/molOxygen…

Q: molecular formula

A:

Q: Batrachotoxib in C 31 h42 n2 o6 in active component of South American arrow poison is so toxic that…

A: Given data : Mass of Batrachotoxin(C31H42N2O6) = 0.05 mg = 0.5 x 10-4 g Molar mass of Batrachotoxin…

Q: Determine the percent by mass of each element in morphine (C16H21NO3)

A: The molecular formula given is C16H21NO3  Assuming 1 mole of C16H21NO3  Molar mass of C16H21NO3 =…

Q: Calculate the mass percent composition of carbon in carbon containing compound. CH4

A: The mass percent composition of carbon in carbon containing compound, CH4 is to be calculated.

Q: parts. Calculate the molecular mass or formula mass (in amu) of each of the following substances:…

A: a) CH4 Atomic mass of C = 12 amu Atomic mass of H = 1 amu

Q: Avogadro’s Number  3. 0.0524 moles of H2O equal how many molecules of water?

A:

Q: 1.NH₂OH = 2. Al₂(SO4)3 = 3.MgCl,= 4. CCI₂ = 5. NBr3 =

A:

Q: 105: A drop of water has a volume of approximately 0.05 mL. How many water molecules does it…

A: 105. Given that,  Volume of 1 drop of water = 0.05 mL Density of water = 1 g/mL Mass of 1 drop of…

Q: Calculate the number of formula units present in a sample that contains 4.8 moles of potassium…

A:

Q: 1-How do you determine the mass of a substance if you know the moles and molecular mass.

A: We can find out the mass of the substance from moles and molecular mass , by using formula of moles.…

Q: Part D. A 28.50 g sample of a compound of carbon, sulfur, hydrogen, and combusted (burned). 35.25 g…

A:

Q: Determine the empirical formula of a compound having the following percent composition by mass: K:…

A: Given value, %K=24.74% , MOLAR MASS= 39 g mol-1 %Mn=34.76 %, molar mass=54.938 g mol-1 % O = 40.50…

Q: Question 1: Dimethylnitrosamine, (CH3)2N₂O, is a carcinogenic (cancer-causing) substance that may be…

A: As per our guidelines, we are supposed to answer only one question with three subparts. Kindly,…

Q: Caculate the number of moles in 0.220 g of calcium carbonate.

A: Number of moles of a particular substance or compound can be calculated by dividing the given mass…

Q: TRUE OR FALSE. The value of Avogadro’s number is 6.02 x 1023 g/mol.

A:

Q: The number of molecules in 20 moles of H2O are (take Avogadro's no. as N) O 18N O 20/6.022*1023 O…

A: Given : Moles of water (H2O)= 20 mol 1 mol of water contains = Avogadro's number of molecules = N…

Q: Determine molecular formula. An organic compound that only contains C, H, and O was subjected to…

A: Since the compound is made up of only C, H and O. Hence we can assume the empirical formula of…

Q: How many moles of (NH4)3PO4 are contained in 0.917 g of this compound?

A: Given that: Mass of (NH4)3PO4 = 0.917g Moles of (NH4)3PO4 = ?

Q: 20. How many grams are in 1.18 x 1021 HF molecules? H = 1.008 g/mole and F=19.00 g/mole 1.01 g 0.992…

A:

Q: How many moles are in 1.88 g Al2O3? Al = 26.98 g/mole, O = 16.00 g/mole.

A:

Q: A crime scene investigator finds a 3.5 g (C10H14N2) sample of nicotine and sends it to the lab for…

A: Please find the attachment.

Q: What is the molar mass of CBr4 (in g/mol)?

A: The molar mass of a substance is the addition of the molar masses of every element. It is…

Q: 1.) How many moles of Fe2O3 are in 185 g of the compound? number of moles:            mol  2.)…

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

Q: An experiment requires that enough PNCl2 be used to yield 10.3 g of chlorine. How much PNCl2 must be…

A: Answer: 16.84 g

Q: How many total atoms are in 0.360 g0.360 g of P2O5?

A: Molar mass of P2O5 is:

Q: Which has more hydrogen atoms? A mole of CH4 or two moles of H2? Provide an explanation.

A: Interpretation: Which has more hydrogen atoms, a mole of CH4 or two moles of H2 is to be determined.

Q: Nutmeg butter is 75%% trimyristin, the triglyceride of myristic acid, a compound containing carbon,…

A: Given: Nutmeg butter is 75%% trimyristin, the triglyceride of myristic acid, compound contains…

Q: Help me please

A: Number of moles of sulphuric acid = 8.21 moles. Number of molecules of sulphuric acid = ?

Q: 1) Calculate the number of H atoms in 0.350 mol of glucose, C6H12O6 2) What is the mass in grams of…

A: Given data :  1) moles of glucose = 0.350 mol  2) mol  of glucose = 1.000 mol  molar mass of glucose…

Q: FIND THE MOLAR MASS OF THE FOLLOWING. 1. Glucose - C6H1206 2. Calcium Hydroxide - Ca(OH)2

A: The solution is as follows:

Q: What is the formula for copper(II) phosphate? Capitalization and punctuation count. formula:   How…

A:

Q: Be sure to answer all parts. (a) Determine the mass in grams of 3.05 moles of glucose (C6H1206). g…

A: To determine the Mass (in grams) of 3.05 moles of Glucose To determine the Number of Moles of 58.9…

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.