what is the mass of a drop of CH3OH containing 2.60x1022 of CH3OH?

Q: A 58.5 g sample of an unknown compound that contains only carbon, hydrogen and oxygen was analyzed…

A: mass of hydrogen present in the unknown compound is approximately 4.00 gramsExplanation:Step 1:-…

Q: How many molecules are contained in 5.00g of NH3?

A: Given :- mass of NH3 = 5.00 g  To be calculated :- number of molecules of NH3  number of moles =…

Q: which of the following are true for 1 mole of water at room temperature (approximately 24 degrees…

A: 1. The molar mass of water is 18.01 g/mol. This means 1 mole of water has a mass 18.01 g. So, first…

Q: Butane has the chemical formula C4H10 and is a component of natural gas. When butane burns, it…

A:

Q: Calculate the mass percent of 2.50 moles of naoh in 0.900l of water at 25degress Celsius (the…

A: Given: The number of moles of NaOH is 2.50 mol. The volume and the density of water are 0.900 L and…

Q: how many moles are in 1x10-6 g of C7H14O2?

A:

Q: (2)co 2) A sample of the hydrate of cobalt (II) sulfate had a mass of 3.326g. After heating, the…

A:

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: What was the percent of potassium chlorate in the mixture

A:

Q: 1)A solution of Na2CO3 is prepared by dissolving 0.511 g of the solid in approximately 30 mL of…

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: Guaifenesin (C1oH1404) is a common over-the-counter expectorant. What mass (in g) of oxygen is…

A: The objective of this question is to find out the mass of oxygen in a 200 mg dose of Guaifenesin. To…

Q: Anhydrous CuSO4 can be used to remove water (an impurity) from gasoline. When the CuSO4 absorbs the…

A: Reaction corresponding to absorption of water by copper sulfate is: CuSO4+5H2O→CuSO4.5H2O Hence, 1…

Q: (3) Barium chloride has a hydrated form, BaCl2 XH2O. A 7.25 g sample of the hydrate lost 1.07 g of…

A:

Q: What is the mass percentage of O in CO2? Provide an answer to two decimal places.

A: Given,  The mass percentage of O in CO2 is:

Q: A cylinder of neon gas, Ne, contains 220.5 grams of gas. How many moles of neon gas does the sample…

A:

Q: What mass of water is contained in a 5.398_g sample of Na22CO3.10H2O?

A: The mass of the sample is 5.398 g.The molar mass of Na2CO3.10H2O is 286 g/mol.The mass of water in…

Q: The density of dodecane, C12H26, is 0.7495 g/mL. Calculate the volume (in mL) occupied by 3.405…

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Q: If a sample of urea, CH4N2O, is 86% pure, what is the percent by mass of nitrogen in this sample…

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Q: What is the percentage composition of C6H12O6

A: Glucose composition  means that carbon, hydrogen and oxygen are present in the ratio 1 : 2 : 1 in…

Q: How many grams of N2 are needed to make 444 g of NBr3 ?  N2   +   3 Br2   →   2 NBr3   +   44.0 kJ…

A:

Q: how much  kmols of NO2 is in 5000 kg of HNO3?

A: Given in following question 5000kg of HNO3 calculate how much kmoles of NO2

Q: The chemical formula for diethyl amine is: (CH;CH,),NH Calculate the molar mass of diethyl amine.…

A: The chemical formula of diethyl amine is given as (CH3CH2)2NH.

Q: 6. A student reported the following percentages for his unknown mixture: 25% NH4CI, 30% NaCI, and…

A:

Q: How many moles of aspirin (C9H8O4) are in 2.00 g of aspirin?

A: Calculate moles of 2.00 g of aspirin ?

Q: How many moles of CaCl2 are in 275g of this compound?

A:

Q: `Nicotine (C10H14N2), a plant alkaloid, is an oily liquid that makes up between 0.6 to 3% of a…

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Q: How many moles are there in 25 g of CO2 gas? How many molecules?

A:

Q: A 20.0-gram sample of impure NaClO3 produces 4.72 L of oxygen (STP). What is the percentage purity…

A: Percentage purity can be calculated by back calculation of the amount of O2 should be produced.

Q: The combustion of gasoline produces carbon dioxide and water. Assume gasoline to be pure octane…

A: The objective of this question is to calculate the amount of carbon dioxide produced when a certain…

Q: 1. What is the molecular formula for the unknown hydrate? 2. What is the percent mass of water in…

A: The molecular formula for the unknown hydrate is to be determined from the given experimental data.…

Q: How

A: moles of water = ( molecules of water ) / ( Avogadro number )  Where :  Molecules of water is 2.0 •…

Q: a benadryl tablet has a mass of 1.00g. It contains 25.0 mh of the active ingredient, diphenhydramine…

A: Mass of the component to the total mass of the mixture multiply by 100 is known as mass percentage.

Q: is-(CH2CHCHCN)n

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

Q: Household ammonia used for cleaning contains about 10 g (two significant figures) of NH3 in 100 mL…

A:

Q: How many equivalents of O²⁻ are there in 2 moles of Al₂O₃?

A: Al2O3 is aluminium oxide.

Q: What is the mass of 3.5 x 10^-3 molecules of copper (II) carbonate? Use correct significant figures…

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

Q: Calculate the number of oxygen atoms in 1.46 grams of Fe2(SO4)3 1 mole 6.02 x 1023 = Edit Format…

A:

Q: Convert the following measurement. kg 2 4.7 × 10 g mol · L mol · dL

A: Since, 1 kg = 1000 g  kg = kilograms and g = gram  1 g = (1/1000) kg 1 g = 0.001 kg And, 1 L = 10 dL…

Q: The chemical formula for t-butanol is: (CH3),COH Calculate the molar mass of t-butanol. Round your…

A: The atomic mass of carbon = 12.011 g/mol The atomic mass of hydrogen = 1.0078 g/mol The atomic mass…

Q: 2. 5.88 g of hydrated calcium chloride CaCl,•xH,O is treated with excess K2SO4 in a double…

A:

Q: In an experiment, 34.8243g of copper (II) nitrate hydrate, Cu(NO3)2•zH2O was heated to a constant…

A: Given, mass of copper (II) nitrate hydrate is 34.8243g and when heated the mass is 27.0351g.  The…

Q: a.) A compound's percent composition was discovered to be 63.5 percent silver, 8.2 percent nitrogen,…

A:

Q: There are 2.01 multiplied by 10^25 formula units of CaCl2 on a balance what is the mass in grams?

A: 1 mole = 6.022×1023 [ Avogadro's number ] Anything which is in the number of 6.022×1023 is said to…

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".