A 55-kg woman has 483.42 grams of hemoglobin (molar mass = 64,456 g/mol) in her blood. How many hemoglobin molecules is this

Q: 3. A student carried out the synthesis of aspirin as described using 3.00 g of salicylic acid and…

A: #3: Mass of salicylic acid (MW = 138.12 g/mol) used = 3.00 g  Volume of acetic anhydride used, V =…

Q: Calculate the number of g of iron that can be made from 16.5 g of Fe2O3?

A:

Q: What's the balanced chemical equation of NaOH and CuSO4?

A: The reaction of CuSO4 and NaOH is a double displacement reaction

Q: In the room, the police also found a suspicious amount of CO2 in the air, which is produced when…

A: Combustion reactions of methanol is 2CH4O+3H2O→2CO2+4H2O 2 mole of methanol is producing 2 moles of…

Q: What mass of Bacl2 is required to react with 10 gm of Fe2(SO4)3

A:

Q: How many items are contained in one mole of (a) baseballs; (b) bicycles; (c) Cheerios; (d) CH 4…

A: Hi, since you have posted questions with multiple subparts we will answer the first three subparts…

Q: Some antiperspirants contain aluminum chlorohydrate, Al2 C1(OH)5. How many grams of aluminum are…

A: The objective of this question is to determine the mass of aluminum present in a given mass of…

Q: What is the mass of 1.0 x 10^12 molecules of cyanocobalamin

A:

Q: What is the mass, in grams, of 9.71×1024 molecules of methanol (CH3OH)?

A: Introduction :  We need to calculate mass in grams for CH3OH . First convert molecules into moles .

Q: How many grams of Mg(OH)2 are required to make 97.2 grams of Al(OH)3? 3Mg(OH)2 + 2AlCl3    =>…

A: uu haw,3 Mg (OH)2+ 2 Alcl3 → 3 Mgcl2+ 2 Al (OH)3 Molar mass of → 1) Mg (OH)2=58.32 g/mol…

Q: Each 100 ml of an antacid contains 3.7 g of aluminum hydroxide (Al (OH) 3), 11.66 g of magnesium…

A: To determine moles of any substance present  we use following formula    moles = massmolar mass

Q: What is the molar mass, to three significant figures, of sodium phosphate Na3PO4?

A: The first step in calculating the molar mass of a compound is to identify the atomic masses of the…

Q: 100.0 g lead(II) nitrate is reacted with 50.00 g potassium iodide (in plenty of water). How many…

A: The chemical equation for the reaction between lead(II) nitrate and potassium iodide is given as -…

Q: A sunscreen preparation contains 2.50% by mass benzyl salicylate (2.50g benzyl salicylate/100g…

A: Given : weight of benzyl salicylate = 2.50 g in 100 g sunscreen  And one tube contains 4 ounces of…

Q: How many moles are present in 100. g of aspirin (C 9H 8O 4, molar mass 180.2 g/mol)?

A: The given mass of aspirin is 100g. Molar mass of aspirin is 180.2 g/mol.

Q: Ascorbic acid (C₆H₈O₆) is also known as Vitamin C. How many molecules of C₆H₈O₆ does a Vitamin C…

A:

Q: What is the mass of 1.00 mol of Ni(CO)4? How many moles are in 3.22 g of Ni(CO)4?

A: (a). Given: The moles of =1.00mol The molar mass of Ni(CO)4=170.73g/mol

Q: The mass of Fe₂O3 isolated from analysis of 12 tablets was 0.277 g. What is the average mass of iron…

A: Given        Mass of 12 tablets = 0.277 g  Compound = Fe2O3

Q: How many molecules are there in 0.500 moles of sugar, CgH1206? 90 molecules G 3.01 x 10 23 molecules…

A: Given : Moles of sugar = 0.500 mol.

Q: How many moles of ethanoic acid (CH3COOH) are formed when 1425.56 g of ethanoyl chloride (CH3COCI ,…

A: Given chemical reaction is  CH3COCl(l) + H2O(g) ----> CH3CO2H(g) + HCl(g) Mass of ethanoyl…

Q: Cellulose, the major component of plant cell walls has an empirical formula of C6H10O5.  One of the…

A: Mass of tree = 3.3×106 kg Cellulose percentage = 45% Mass of cellulose in tree =[ 3.3×106 ×45/100…

Q: quation below what is the mole ratio between O2 and CO2? + 8 O2 (g) → 6 H2O (g) + 5 CO2 (g) =8 =5 CO

A: A mole ratio is a conversion factor.  It  relates moles of any two substances in a chemical…

Q: 1.How many moles of CuO can be produced from 1.11 mol of Cu2O in the following reaction?…

A: The amount of substance is usually defined in terms of mole. The mole is the SI unit of the quantity…

Q: What is the mass in grams of 3.2×1022 molecules of colchicine?

A:

Q: A chemical compound has a molar mass of 136.63 g/mol. How much would 2.46x10^22 molecules of this…

A:

Q: Lithium faces an increasing demand since the alkali metal is a key component in a lithium- ion…

A: Given  Number of moles of lithium = 5.40 mol we have to calculate the weight of lithium. Molar mass…

Q: Balance the following equation: CGH6 (1) + 02 (g)→ CO2 (g) + H20 (g)

A: First balance the carbon atoms then then balance H and O

Q: If you have 25 grams of lactic acid (C3H6O3), how many moles of lactic acid molecules do you have?

A:

Q: 5. An ore contains 36.9% of the mineral cuprite, Cu₂O, which is a source of the element Cu. How much…

A:

Q: How many moles of aspirin, C9H8O4, are in a 325 mg tablet that is 100% aspirin?

A: we have to calculate moles of aspirin in 325mg tablet

Q: What is the molarity of a solution that has 5.024 X 1023 atoms of Glucose (C6H12O6)?

A: Assuming there is one litre of solutionGiven5.024x 1023 atoms of glucose are present

Q: 3. Using the percentage equation given in the introduction, if 8.912 g of sand are recovered from an…

A: Percentage of a component in a mixture is given by the formula  % = [ mass of component / mass of…

Q: How many moles are in 3.18 g of Na2CO3?

A: Mass of Na2CO3 = 3.18 g Atomic mass of Na = 23 g/mol Atomic mass of C = 12g/mol Atomic mass of O =…

Q: How many moles are present in 100g of Mg(CN)2

A:

Q: A lawn fertilizer is rated as 7.55% nitrogen, meaning 7.55 g of N in 100 g of fertilizer. The…

A: Given, A lawn fertilizer is rated as 7.55% nitrogen, meaning 7.55 g of N in 100 g of fertilizer. The…

Q: is-(CH2CHCHCN)n

A: molar mass =( W / moles    Weight = 755.9 gm = 0.7559 Kg   Moles = molecules / avagadro number…

Q: Calculate the mass in grams of 0.820 mol glycerol (C3H8O3).

A: The amount of glycerol is given as 0.820 mol  Molar mass of glycerol 92.09382 g/mol Conversion…

Q: A major component of honey is fructose (C6H12O6) with a molar mass of 180.16 g/mol. A tablespoon…

A:

Q: Hemoglobin, a protein in red blood cells, carries O₂ from thelungs to the body’s cells. Iron (as…

A: It is given haemoglobin that haemoglobin has a molar mass of 6.8×104g/mol and the mass percentage of…

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.