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(a)
Interpretation:
The number of moles of Carbon present in 1 mole of each compound
Concept introduction:
Moles: One mole is equivalent to the mass of the substance consists same number of units equal to the atoms present in
The mole is actually quantity of particles that is
The sum of mass of all atoms present in formula of chemical substance is referred as molecular or formula weight of that substance.
Mass: It is the quantitative measure of a substance. The amount of matter present in substance is expressed as mass. The
Molar mass: It is obtained by dividing the mass of substance with the amount of substance and the S.I. unit of molar mass is
(b)
Interpretation:
The number of moles of Carbon present in 1 mole of compound
Concept introduction:
Moles: One mole is equivalent to the mass of the substance consists same number of units equal to the atoms present in
The mole is actually quantity of particles that is Avogadro’s number of particles present in elements or compounds.
The sum of mass of all atoms present in formula of chemical substance is referred as molecular or formula weight of that substance.
Mass: It is the quantitative measure of a substance. The amount of matter present in substance is expressed as mass. The
Molar mass: It is obtained by dividing the mass of substance with the amount of substance and the S.I. unit of molar mass is
(c)
Interpretation:
The number of moles of Carbon present in 1 mole of each compound
Concept introduction:
Moles: One mole is equivalent to the mass of the substance consists same number of units equal to the atoms present in
The mole is actually quantity of particles that is Avogadro’s number of particles present in elements or compounds.
The sum of mass of all atoms present in formula of chemical substance is referred as molecular or formula weight of that substance.
Mass: It is the quantitative measure of a substance. The amount of matter present in substance is expressed as mass. The
Molar mass: It is obtained by dividing the mass of substance with the amount of substance and the S.I. unit of molar mass is
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Chapter 6 Solutions
Pearson eText Fundamentals of General, Organic, and Biological Chemistry -- Instant Access (Pearson+)
- How many moles of ions are in 1.75 mol of K2SO4?arrow_forwardWhat mass of gallium oxide, Ga2O3, can be prepared from 29.0 g of gallium metal? The equation for the reaction is 4Ga + 3O2 ⟶ 2Ga2 O3.arrow_forwardWhat is the molarity of a solution that contains 50.0 g of vitamin B1 hydrochloride (molar mass = 337 g/mol) in 160 mL of solution?arrow_forward
- A solution with a density of 0.876 g>mL contains 5.0 g of toluene 1C7H82 and 225 g of benzene. Calculate the molarity of the solution.arrow_forwardThe empirical formula of the sugar glucose is C6H12O6. (a) How many moles are there in 270 g of glucose? (b) Calculate the molarity of a solution of 324 g of glucose dissolved in 2.0 l of water.arrow_forwardFerrous sulfate is one dietary supplement used to treat iron-deficiency anemia. What are the molecular formula and molecular mass of this compound? howmany milligrams of iron are in 250 mg of ferrous sulfate?arrow_forward
- The solubility product of a metal hydroxide M(OH)2 is 8.65 × 10-6. What is the molar solubility of the M(OH)2 in a buffer solution of pH = 13.3?arrow_forwardWhat is the pH of a 5.9 × 10⁻⁶ M HBr solution?arrow_forwardHow many grams of NaCl are required to prepare 100 mL of a solution of 1 M NaCl? (NaCl molecular weight = 58.44 g/mol)arrow_forward
- Dimethyl ether has the same molecular formula as ethanol (Problem 4.57) but very different properties. Propose a structure for dimethyl ether in which the oxygen is bonded to two carbonsarrow_forwardIf 10x TBE contains 0.89 M Tris-borate, 0.89 M Boric acid, and 0.02 M EDTA, what is the Molar concentration of Tris-borate in 100 ml of 1x TBE?arrow_forwardA solution contains 2.2 x 10 -3 M in Cu2+ and 0.33 M in LiCN. If the Kf for Cu(CN)42- is 1.0 x 1025 , how much copper ion remains at equilibrium?arrow_forward
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