42 Determine the molar mass for the following compounds: a. ethylene, a ripening hormone, C₂H4 b. citric acid, the sour taste found in citrus fruits, C6H₂O7 c. sodium bicarbonate, baking soda, NaHCO3

Q: What is the mass of 4.50 x 1022 Cu atoms? Multiple Choice O 4.75 g O 63.55 amu O 63.55 g O 7.47 x…

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Q: Find the molecular formula of a substance that is 48.20% iron, 10.37% carbon, 41.43% oxygen, and has…

A:

Q: Consider the following made-up compound: (Z3J)2Q3 Determine the number of moles of Z in 1.75 moles…

A: Given -> Mole of (Z3J)2Q3 = 1.75 mole

Q: An experiment requires that enough C,H1206 be used to yield 11.7 g of oxygen. How much C,H1206 must…

A: Given : mass of oxygen, O2 to be yielded = 11.7 g Molar mass of O2 = 32 g/mol Since mass = moles X…

Q: Determine the number of each lon present In the glven compound. LI3N LIt: 1 Ca(CN)2 Ca*: (Click to…

A: Given  Compound  = Li3N , Ca(CN)2  , Fe2(SO4)3 ,Sr(ClO3)2 , ( NH4 )3PO3 Number of ions  = ?

Q: Assume that a certain element (let's call it X) has two (and only two) isotopes: 35x (35.0 a.m.u.)…

A: Given data :

Q: How many hydrogen atoms are in each of the following:   Part A: C2H5OH Express your answer as an…

A: Atom is the smallest unit of a substance. Atoms combine to form a molecule which is a stable entity.…

Q: Answer the following questions based on information contained in the statements you wrote for…

A: so 1mole of CO2 has 2mole of Oxygen atom

Q: 100 molecules of a compound contain 200 carbon atoms and 400 hydrogen atoms. The molecular formula…

A: Since the compound is having only C and H Hence the molecular formula of compound can be assumed as…

Q: Which of the following statements is incorrect? Multiple Choice O O N₂H4 has four times as many…

A: The ratio of the atoms present in a compound is the ratio of the number of atoms present in a…

Q: How many grams of Ar are there in 4.28 moles of Ar? How many grams of Xe are there in a sample of…

A: (1) Atomic mass of argon gas is = 39.948 u While given moles of argon = 4.28 moles Then, by…

Q: 7. How many atoms of Oxygen are in 5.02 x 10' molecules of caffeine (CHNO.)?

A: Caffeine is an organic compound having molecular formula C8H10N4O2 The tea contains caffeine in it.

Q: which of the following formulas - NO, N2O, NO2, N2O4,  and N2O5 - represent the empirical formula…

A: The empirical formula is the simplest whole number ratio of atoms in a compound, while the molecular…

Q: The chemical formula for glucose is: C,H1206 How many carbon atoms are in each molecule of glucose?

A: The formula of glucose is given as C6H12O6.

Q: What is the empirical formula?

A:

Q: What is the mass of 4.50 x 1022 Cu atoms? Multiple Choice O 747 x 102 amu O 747 x 1029 O 475 g O…

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Q: 6. On a cold day in Chicago, Zendaya grabbed a hot chocolate to drink. The hot chocolate has 3.062 x…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: Ammonium carbonate has the chemical formula (NH4)2CO3 How many atoms of N, H, C,and O are present in…

A: To solve this problem we have to calculate the number of atoms of each element present in formula…

Q: 3 Serotonin (C10H12N₂O) is a neurotransmitter that when balanced is responsible for there in 12.40 g…

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

Q: how would you figure this out?BINARY COMPOUNDS T01/S04A compound containing only carbon and oxygen…

A: Determination of empirican formula pf a compound from percentageGiven here, binary compound of C and…

Q: F. How many oxygen molecules are in 2.40 g of O2(g)? A: 4.52 x 1022

A: Given : Mass of O2 = 2.40 g

Q: An allotrope of elemental sulfur is the cyclic molecule S6 . Calculate the number of molecules and…

A: The number of molecules and moles are related to each other by the given relationship as; 1 mole =…

Q: 1 a. Calculate the number of atoms of each element present in 3.96 g of water. oxygen atoms hydrogen…

A: Number of moles of substance = mass of the substance molar mass of the substance From Avogadro's…

Q: hat is the mass of 4.50 x 1022 Cu atoms? Multiple Choice 747 x 102 g 4.75 g

A: Molar mass Cu is 63.546

Q: The formula for sulfur dioxide is SO2. How many grams of sulfur are present in 1.31 moles of sulfur…

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Q: The recommended daily allowance of the niacin (vitamin B3) is 16 mg per day for man. The molecular…

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Q: How many moles are there in 45.0 g of LiHCO3? (Li= 6.941 g/mol, H= 1.01 g/mol, C= 12.00 g/mol, O=…

A: We have to predict the moles.

Q: How many hydrogen atoms are there in the following molecules? 1 molecule of C6H12O6 2 molecules of…

A: In the molecular formula, the subscript written next to the atom represents the number of that atom…

Q: how many atoms are in 2Al2(SO4)3?

A: Given that,Compound = Number of atoms = ?

Q: If the exact mass for an unknown compound is 99.0684 amu, which of the following is the correct…

A: Molar masses of the atoms constituting the given compounds are as follows:- Molar mass of Carbon…

Q: 6. Determine the empirical formula of C3H . O C3H8 C6H6 O CO.5H2 O CH2.5

A: The molecular formula of a compound tells the number of atoms involved in the formation of a…

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.