How many grams of LiOH are in 6.21x1024 formula units of LiOH?

Q: 6.15×1023 KK atoms Express your answer using three significant figures.    How many moles of atoms…

A: We know 1mole = 6.022x1023  So we can easily find the number of moles by using- Number of…

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: A 52 kg woman has 8.6x10-3 mol of hemoglobin (molar mass = 65323 g/mol) in her blood. How many…

A: Given, moles of hemoglobin = 8.6 x 10-3 mol We know, => molecules of hemoglobin = moles of…

Q: The density of water is 1.00 g/mL at 4 degrees Celsius. How many water molecules are present in…

A: First of all calculate the mass of water by using given volume and density of water. Then calculate…

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

A:

Q: How many grams are in 5.32 x 1022 molecules of CO2?

A:

Q: How many moles of NaOH are there in 51.8 mL of 0.300 M NaOH?

A: The given data: The volume  = 51.8 mL The molarity of NaOH =  0.300 mL To determine: The number of…

Q: How many moles of NaI are there in 175.0 mL of 0.230 M NaI?

A: Molarity is a concentration term of a solution that gives the numberof moles of solute dissolved per…

Q: How many molecules are in 3.1x10^-3 g of C9H8O4?

A:

Q: Convert 6.92 x 1024 molecules of CO2 to grams CO2.

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: A beaker contains 48.948.9 mL of carbon tetrachloride (CCl4CCl4, density is 1.591.59 g/mL).…

A: Volume of carbon tetrachloride = 48.9 mL  Density = 1.59 g/mL  Density = mass ÷ volume

Q: How many moles of NaOH are there in 225.0 mL of 2.50 M NaOH?

A: Given, the concentration of NaOH =2.50 Mvolume of solution =225.0 mL =0.225 Lwe are asked to…

Q: The chemical formula for the antidepressant fluoxetine is C₁₇H₁₈F₃NO. What is the mass in grams of…

A: Given data: The molecular formula of fluoxetine is C17H18F3NO. The given moles of fluoxetine is…

Q: How many moles of NaOH are there in 87.0 mL of 0.300 M NaOH?

A: The molarity of a solution represents the number of moles of solute present in 1 Liter of solution.…

Q: How many molecules are in 4.83×1020 H2O2?   I don't quite understand how to do these calculations. I…

A: Note: Hey there! Thank you for posting the question. Since the unit is not given, we have taken…

Q: Consider the following reaction.   2Fe2O3(s)+3C(s)−→−heat4Fe(s)+3CO2(g) Calculate the number of…

A: From balanced reaction two mole of iron oxide react with three mole of carbon

Q: What is the mass of 1.11 x 1021 formula units of KBr?

A: 1 mole = 6.022x 1023 molecules or atoms  mole (n) = Mass / molar mass   Mass = mole x molar mass

Q: How many moles are represented by 3.65x10^34 molecules of water?

A: Given: molecules of water = 3.65×1034

Q: How many grams of carbon tetrachlorride are in 1.01 x 1024 molecules?

A: Given: Number of molecules= 1.01×1024  To find: Grams of carbon tetrachloride Formula: Number of…

Q: How many grams of Cl are in 27.3 g of CHCl3 ?

A: Given :  Mass of CHCl3 = 27.3 gm  Also, atomic mass of Cl = 35.5 gm

Q: How many grams of Cl are in 105 g CaCl2?

A:

Q: What is the mass, in grams, of 9.32×1024 molecules9.32×1024 molecules of methanol (CH3OH)?

A:

Q: If you are given 3.38 moles of CaCl2, what is the mass of the compound in grams

A: Mass of compound is equal to the product of mole and it's molar mass

Q: How many moles (of molecules or formula units) are in each sample? 0.2011 g C8H18 Express your…

A: Given, mass of C8H18 = 0.2011 g Molar mass of C8H18 = 114.23 g/mol

Q: How many grams of chlorine gas must react to give 3.32 g of BiCl3? 2Bi(s)+3Cl2(g)→2BiCl 3(s)…

A:

Q: What is the mass, in grams, of 9.35×1024 molecules9.35×1024 molecules of methanol (CH3OH)?

A: Given information: molecules of methanol (CH3OH) = 9.35×1024

Q: How many moles of NaOH are there in 125.0 mL of 0.345 M NaOH?

A: The molarity of a solution is defined as the moles of solute present in 1L of the solution.

Q: moles

A:

Q: the mass, in grams,

A: Given information: molecules of methanol (CH3OH) = 9.01×1024 Mole is the amount of the substance…

Q: How many moles of NaOH are there in 125.0 mL of 0.445 M NaOH?

A: Molarity can be calculated as follows: Molarity=No. of molesVolume

Q: A certain organic acid contains 26.68 % carbon, 2.24 % hydrogen, and 71.08% oxygen by mass. A 0.050…

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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: to

A: Mass of Material Can be calculated by multiplying with one atom weight with a number of atoms.

Q: How

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

Q: How many moles of Ag are in 63.5 grams of Ag₂O?

A: The objective of this question is to calculate the number of moles of Silver (Ag) present in 63.5…

Q: The molar mass of one empirical unit of the antidepressant rolicyprine (C7H&NO) is 122.1 g/empirical…

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Q: Calculate the mass, in grams, of 322 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g).

A:

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: How many moles of NaOH are there in 125.0 mL of 0.375 M NaOH?

A:

Q: A student determined the mass of NaCl extracted during an experiment to be 0.42 grams. If the mass…

A: Given  Mass of NaCl = 0.42 g Mass of original mixture = 1.97 g

Q: number of formula units in 105 g (NH4)2O

A: General chemistry.

Q: How many millimoles are in 3.93 x 1025 bismuth(V) hydrogen carbonate formula units?

A:

Q: How many moles of compound are in 23.3 g of Na2B407 10H2O? mol The number of significant digits is…

A: Mass of Na2B4O7·10H2O= 23.3 g Element  Atomic mass Na 22.989770 B 10.811 O 15.9994 H…

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…

Q: what mass of anhydrous magnesium sulfate will remain?

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.