Diamonds are made of pure carbon. How much does a diamond weigh if it is composed of 1.06x1023 carbon atoms? Conversion Factors Mole Map 1 mole C 1 mole C 1 diamond carat 12.01 g C 6.022x1023 atoms C 0.2 g C unit Drop Conversion %3D Factor

Q: Calculate the number of moles in each sample. a. 72.5 g CCI4 c. 25.2 kg C2H2 b. 12.4 g C12H22011 d.…

A: The number of moles of a substance is calculated by dividing the given mass of that substance with…

Q: FeCl,(aq) + 3K,C20, · H20(aq) → K,Fe(C,0,)3 · 3H20(s) + 3KCI(aq) (Eqn. 1) 3K*(aq) + Fe3+(aq) +…

A: A numerical problem based on mass percent, which is to be accomplished.

Q: 7. (NH)2Cr2O7 Element # atoms Atomic mass (g/mol) Total (g/mol) H. Cr Total Molar mass La Display…

A:

Q: Calculate ΔG° for each reaction using ΔG°(f) values:

A: (a)

Q: 1) Determine the number of moles in each sample: a) 38.2g sodium chloride b) 36.5g nitrogen monoxide…

A:

Q: 56.172g of pure (elemental) Si is equivalent o how many moles of Si?   A): 6.02 x 10^23 moles of…

A: SOLUTION Mass of elemental Si = 56.172 g Atomic mass of Si =  28.086 g/mol Moles of Si =…

Q: Which of the following statements is not correct? A. 12.01 g of C contains 6.022 x 1023 atoms of C…

A: 1 mol of any substance contains Avogadro's number of particles (atom/ion/molecule etc.). Avogadro's…

Q: Calculations Using the Mole Learning Goal: 2.32x1023 13C atoms To learn how to convert grams to…

A:

Q: Identify the entities that will correctly complete the flow chart. Matter I. П. Compounds…

A: • we need to determine the L and IL in the given flow chart.

Q: What is the total percent composition for each atom in Dinitrogen Trioxide?

A: Given :- name of compound is dinitrogen trioxide  To calculate :- percent composition of each atom…

Q: (a) 2CH4(g) + 2CO2(g) CH4(g) + 2H0(g) + 2CO (g) (b) CO2(g) + 3H;(g) → CH;OH(g) + H2O(g) (c)…

A:

Q: Co(NO3)2

A: a) First find out the moles of Co(NO3)2 :  moles = ( formula unit / Avogadro number )  Moles = (…

Q: In the laboratory, a student weighs out 0.0852 g of cobalt on balance.  How many atoms of cobalt are…

A: Molar mass of an element represents the mass of one mole of the element.

Q: a. Cl2(g) + NaBr(aq)→ NaCI(aq) + Br2(1) b. CaO(s) H2O(1)→ Ca(OH)2(aq) c. Ca(CIO-)2(s)→ CaCl2(s) +…

A:

Q: 2. A compound composed of carbon and hydrogen with the formula CxHy was burned. The balanced…

A: • Since, in the given chemical equation we have to calculate the number of carbon and hydrogen in…

Q: This is the chemical formula for cassiterite (tin ore): SnO2 A geochemist has determined by…

A: Given : The formula of cassiterite is SnO2. And the moles of tin i.e Sn in the cassiterite sample =…

Q: How many molecules are in 52.35 grams of aspartame? C14H 18 ,05 2.89 X 1022 Atoms C subscript 14 H…

A: Option( B) is correct.

Q: Calculate the empirical formula of each substance from their spectrograms . 1) Co = 0.672g As =…

A: The emperical formula can be calculated by finding the number of moles.

Q: On 12 and 13 I got a negative scientific on one and a positive on the other. Did I make a mistake…

A: General chemistry12. The number of atoms or molecules in a mole of any substance is equal to…

Q: Which of the following is an incorrect conversion unit for magnesium oxide, MgO?     a)  6.02 x…

A: MgO has a molecular mass of 40.3 g/mol. It can be written in different conversion units according to…

Q: What is the average mass (in grams) of a single nitrogen dioxide molecule? A. 3.6 x 10-26 g B. 2.77…

A: Since mass of 1 molecule  = molar mass / Avogadro's number Molar mass of Nitrogen dioxide (NO2) = 14…

Q: How many moles are equal to 4.5 x 1023 molecules of carbon monoxide? (Round to two decimal places).

A: No of CO molecules = 4.5 × 1023 molecules No fo moles = to be determined

Q: References) Use the References to access important values if needed for this question. The elemental…

A:

Q: Question 1

A: Balanced chemical equation of a reaction is written according to law of conservation of mass. Thus,…

Q: What is the percent by mass of hydrogen in Ca(OH)2? Group of answer choices 2.72 % 1.36% 21.6 %…

A: % by mass basically tells about the concentration of one element present in the mixture. The formula…

Q: 125 grams of sugar (C12H22011) is _ mole? Select an answer and submit. For keyboard navigation, use…

A: The given data is as follows: The mass of the sugar = 125 g The moles of sugar = ? To calculate the…

Q: 4. Write an equation showing how the mass of the substance sought can be converted to the mass of…

A: To Write an equation showing how the mass of the substance sought can be converted to the mass of…

Q: A 100.0 g sample of a compound is composed of 26.5 g of potassium, 35.4 g of chromium and 38.1 g…

A: Please find the answer below:

Q: 1. ____N2 + 3H2 ____NH3

A: Since you have posted a  question with sub-parts , we are entitled to answer the first three…

Q: 12. The mass in grams of 10.0 million molecules of sulphur dioxide is:  SO2    Answers:  a)1.06…

A: 1 mole = 6.022×1023 ( Avogadro's number )   Molar mass : The mass of one mole of molecules of a…

Q: 1. N₂H4(1) + O₂(g) →N₂(g) + 2 H₂O(1) 1.15435 moes. 32.04476 C 0131 4444 11.03736 2. C₂H₂O(1) +4…

A: Heat of reaction for the following reaction are calculated as...

Q: You analyze a sample of a compound you made in the lab and find that it has a percent composition by…

A: Answer: Empirical formula is C4H2O and three answers from the  given list are C4, H2, and O.

Q: Calculate the equivalent weight of the following materials : Al(OH)3 : H3PO4 : Ca(OH)2 : NH3 :…

A:

Q: A balanced chemical equation contains the term "2Ba(OH)2⋅8H2O." How many atoms of each element does…

A:

Q: 1.75 x 1023 atoms Pb converted to grams

A:

Q: 10 gram sample of which substance contains the greatest amount of hydrogen atoms A. 10gCH4…

A:

Q: The number of molecules in 0.556g of PF6 is

A: We have given that Mass of PF6 = 0.556g Molar mass of PF6 = 144.9642 g/mole No. of mole of PF6 =…

Q: The number of hydrogen atoms in 0.500g of glucose (C6H12O6) is a. 12 b. 1.67x1021 c. 2.78x10-3 d.…

A:

Q: What is the density (in g/ml) of the given compound? What is the molecular weight of the given…

A:

Q: A typical cup of coffee has about 100. mg of caffeine. Calculate the number of caffeine molecules in…

A:

Q: A balanced chemical equation contains the term "2Ba(OH)2⋅8H2O." How many atoms of each element does…

A: The given term in the balanced equation is: 2Ba(OH)2⋅8H2O  The subscripts in a molecule represent…

Q: Analysis of a 40 g sample of water revealed a mass percent for lead of 3.23%. Calculate the number…

A: Percentage by mass of the substance in the solution mixture can be expressed as the ratio of mass of…

Q: Which of the following can be used mole as a unit to count paticles/atoms? A. Pharmaceutical…

A: No. Of moles refers to the amount of no. Of atoms or particles with respect to its standard units.…

Q: How many glucose molecules are there in a 90.0 g sample of glucose (CH12O? Select one: O a. 3.01 x…

A:

Q: 1.The compuond cisplatin Pt(NH3)2Cl2 is an antitumor. a)Calculate the elemental percent composition…

A: In problem a) we will find out the mass percentage of elements present in cisplatin and in b) we…

Q: Complete each row of the table below by filling in the missing prefix or missing exponent. -9 1mol…

A:

Q: What is the molar weight of potassium phosphate? (Possible atomic weights to be used: H=1; C=12;…

A: Molar weight: The molar weight of the compound can be defined as the sum of the atomic masses of all…

Q: Compound Quantity Density Molecular weight 0.789 Ethanol 2.2 mL g/mL 46.07 g/mol 1.049 g/mL Acetic…

A: Answer :-  Moles of Ethyl Acetate, CH3COOC2H5 = 0.0377 mol…

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.