Calculate the mass percentage of each element in turquoise.

Q: What is the mass in grams of 1.16 × 10²⁵ molecules of Cl₂?

A: Given -> Number of molecules of Cl2 = 1.16 × 1025 molecule

Q: Calculate the mass in grams of a sample of NO2 that contains 1.000 x 10^25 molecules.

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Q: How to calculate mass (in grams) of one formula unit of 13.0 g of Ca(NO3)2?

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Q: Calculate the mass in grams of 1.23×10241.23×1024 molecules of methanol. The chemical formula for…

A: Given that, the molecules of methanol= 1.23 × 1024 Now, as per Avogadro’s law: 1 mol of methanol…

Q: Part 1: Calculate the mass percentage of N in N2O4. Report your answer to 3 significant figures.…

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Q: Calculate the mass in grams of 1.10 x 104 molecules of Sulfane, H2S. g NA= 6.022 x 1023

A: Mass of H2S in grams = 6.210 g

Q: Phosgene, a substance used in poisonous gas warfare during World War I, is so named because it was…

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Q: Calculate the mass in grams of 3.65 x 1024 molecules of methanol. The chemical formula for methanol…

A: Given, Number of molecules of methanol (CH4O) = 3.65 × 1024 molecules Mass (in grams) of 3.65 × 1024…

Q: What is the mass (in grams) of 1.25 x 10^22 molecules of SeO2?

A: 1 mole of any species contains Avogadro's number i.e. 6.023 × 1023 of its constituent particles…

Q: The following reaction is known to have a 65.0% yield of copper. 3 Cu(NO3)2(aq) + 2 Fe à 2…

A: We have given that 3 Cu(NO3)2(aq) + 2 Fe(s) → 2 Fe(NO3)2(aq) + 3 Cu(s) and the reaction yield 65%…

Q: Calculate the mass in grams of 1.10 x 1024 molecules of Sulfane, H2S. g NA= 6.022 x 1023

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Q: What is the mass in grams of 4.59 × 10²⁵ molecules of I₂?

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Q: What is the mass in grams of 4.57 × 10¹⁵ molecules of CO₂?

A: is a molecule which is made up of three atoms carbon and two oxygens. One mole of contains…

Q: Calculate the mass (in grams) of 8.336 x 10^16 molecules of Ca5(PO4)3(OH) (Hydroxyapatite)

A: We have been given 8.336 x 1016 molecules of hydroxyapatite.and we have been asked to calculate the…

Q: NaI (aq) + Cl2 (g) → I2 (s) + NaCl (aq) Given this equation calculate how much NaI is required to…

A: Consider the given information is as follows; Mass of I2 produced = 3.44 kg = 3440 g Mass of NaI…

Q: 12.00 g of a potassium hydroxide, KOH solution is mixed with 40.00 g of lead (II) nitrate, Pb(NO3)2…

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Q: Calcium silicate is an important mineral compound that can be prepared by the reaction of calcium…

A: Given balanced chemical equation is:          2 Ca3PO42aq + 6SiO2s → P4O10aq + 6CaSiO3s Mass of…

Q: What is the formula weight (in g/mol) of copper(II) nitrate trihydrate, Cu(NO3)2 3H₂O? Give your…

A: For the first question, we have to find the formula weight (in g/mol) of copper (II) nitrate…

Q: Iodine is prepared both in the laboratory and commercially by adding CI2 (g) to an aqueous solution…

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Q: What is the mass in grams of 4.28 × 10²⁵ molecules of O₂?

A: Given:molecules of O2 = 4.28 × 10²⁵ moleculesRequired: Mass of O2 = ?

Q: What is the molecular formula a compound with the empirical formula C 13 H 19 O 2 and molar mass of…

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Q: Calculate the mass in grams of 6.12 mole Cu(NO3)2.

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: A sugar crystal contains approximately 2.0×10^17 sucrose (C12H22O11C12H22O11) molecules. What is the…

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Q: Calculate the mass in grams of 4.46×1024 molecules of propylamine. The chemical formula for…

A: Avogadro constant = 6.022 × 10²³ /mol The moles of propylamine can be calculated asNo. of moles of…

Q: A grain of sand weighs 7.7 × 10−4 g. How many formula units of silicon dioxide, SiO2, are in one…

A: The mass of one formula unit of SiO2 = 60.08 g/mol

Q: What is the mass in grams of 5.00 x 10¹2 H₂O molecules?

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Q: What is the mass in grams of 7.00 × 10²⁵ molecules of I₂?

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Q: Acetic acid (HC2H3O2) is the active ingredient in vinegar. Calculate the mass percent composition of…

A: The way of representation of concentration of an element in a compound or a component of a mixture…

Q: The reaction between potassium chlorate and red phosphorus takes place when you strike a match on a…

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Q: Gun powder reacts according to the following reaction: 10 KNO3 (s) + 8 C (s) +3 S (s) → 2 K2CO3 (s)…

A: We can solve this problem by using defination of mole  Mole is difine as ratio of mass of substance…

Q: What is the mass in grams of 5.57 × 10¹⁵ molecules of SO₂?

A: We know that , 1 mole = 6.023x1023molecules/atoms/ions.1 mole = molar mass of molecule .6.023x1023…

Q: Calculate the mass percent of chlorine in Mg(ClO4)2.

A: We know that, Molar mass of Cl = 35.45 g/mol Molar mass of Mg(ClO4)2 = 223.206 g/mol

Q: Calculate the mass (in grams) of 3.25 x1023 molecules of trinitrogen tetraoxide.

A: In this question, we will determine the mass of the trinitrogen tetraoxide in grams unit.  Given :…

Q: Copper metal reacts with nitric acid. Assume that the reaction is 3Cu(s) + 8HNO3(aq) → 3Cu(NO3)2(aq)…

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Q: he molar mass of the hydrate, Co(NO,), · 6H,0.

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Q: What is the mass in grams of 1.44 × 10²⁵ molecules of I₂?

A: The number of moles of a substance is determined as the number of molecules, atoms or ions upon the…

Q: The balanced chemical equation is P₄(s) + 6 Cl₂(g) → 4 PCl₃(g). What is the mass in grams of…

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Q: What is the total number of hydrogen atoms on the right-hand side of this chemical equation? 8…

A: Count number of H atom in right hand side ?

Q: Amounts of tin may be alloyed with copper to produce bronzes of varying composition and properties.…

A: Given :  Mass of bronze = 8.9394 g  Mass of mixture of oxides = 11.2311 g

Q: What is the molar mass for aluminum sulfate?

A: Number of moles = mass/molar mass  So, mass = moles × molar mass

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…