Calculate number of moles for the following quantities: a) 1.29 g NaOH b) 4.50 g NaCl c) 50.0 g CO2 d) 35.9 g KOH

Q: Calculate the molar mass for H2SO4

A: Given, Compound - H2SO4 (sulfuric acid) Molar mass of H2SO4 (sulfuric acid) =? Molar mass: Molar…

Q: how many moles of propylene are in 2.5 g of the substance?

A: Given:given mass of propylene =2.5gwe know thatThe Molecular Formula of Propylene = C3H6 So,…

Q: How many moles of propylene (C3H6) are in 25.0 g of the substance?

A: Molecular mass of propylene (C3 H6 ) = (3× 12.01) + ( 6× 1.01) = 42.09 g / mol.  Given mass of…

Q: the number of formula units of KCL in 3.8 mol of KCL

A: Given: Moles of KCl = 3.8 mol.

Q: How many moles of compound are in the sample?

A: 1 mole of compound is equal to 6.022* 10 raise to power 23 molecules.

Q: Complete the table below for calculating the molar mass of the compound phosphorus triiodide. Molar…

A: Moar mass of Phosphorus = 30.973762 g/mol  Molar mass of Iodide = 126.90447 g/mol

Q: Conversion: 275 atoms W to mol W

A: One mole of any substance will contain 6.023 ×1023 atoms. Given 275 atoms of tungsten (W).

Q: What is the empirical formula for a compound composed of 0.0876 mol0.0876 mol of carbon (CC), 0.0438…

A: Given:Moles of Carbon = 0.0876 molMoles of Hydrogen = 0.0438 molMoles of Nitrogen = 0.0219 mol

Q: Define a scope of Convert between moles of a compound and moles of aconstituent element

A: The conversion factor between moles of a compound and moles of constituent element has to be…

Q: determine the mass (g) of carbon in 16.55 g of glucose. Plan To find the mass of C in the sample of…

A: We know that, Molecular mass of glucose, C6H12O6 = 180.156 g/mol Number of Carbon atoms in glucose =…

Q: 3. How many moles are represented by 3.01 · 10²24 oxygen atoms? 2 moles 5 moles 250 moles 10 moles

A: One mole has 6.022 x 1023 Therefore 10.0moles will have 10x 6.022 x 1023 =6.022 x 1024 6.022 x 1023…

Q: How many moles are equal to 12.8 grams ofCaO2

A: Moles can be calculated as follows

Q: Label the diagram to correctly convert 159.8 of Br, to moles of Br2 : 79.9 Br2 : 159.8 g Br2 : 1 mol…

A: Final answer :- 2 mol of Br2

Q: If you measure out 44.0 grams of KCL, how many moles of KCl are present when the formula mass is…

A: given: mass of KCl = 44.0 grams molar mass of KCl = 74.55 g/mol we need to find out the moles of KCl…

Q: 2.75g lithium phosphate to moles

A: Lithium phosphate : Li3PO4 Molar mass of lithium phosphate =  115.79 g/mol Given mass of lithium…

Q: Calculate the mass % of H in ammonium bicarbonate.

A: We have been asked the mass % of H in ammonium bicarbonate.

Q: How many moles of propane (C3H6) are in 25.0 g of the substance?

A:

Q: Calculate the molar mass of each compound. C,H, g/mol g/mol

A: Two numerical problems based on determining molar mass, which are to be accomplished.

Q: 43.5 mol of P010 contains how many moles of P? mol P

A:

Q: How many molecules are contained in a pentanal (C5H10O) sample with a mass of 5.27 g?

A: 1 mole of any substance contains Avagadro number (6.023 *1023) of species. therefore, 1 mole of…

Q: CALCULATE TH EMASS IN GRAMS OF 1.11 MOL OF CH4-

A: Given:   The number of moles of CH4 is 1.11 mol. The molar mass of CH4 is 16.04 g/mol.

Q: at is the percent composition of chloroform, CHC1, a substance e used as an anesthetic? (C:…

A: Given molecular formula of chloroform CHCl3. To find out the % composition of C, H , Cl. Atomic mass…

Q: Complete this formula for molar mass of the compound sulfur hexafluoride s- ?g/mol x ?Mol = ?g f-…

A: Ans As we know the molar mass of the formula is equal to the total mass of elements presesnt S    32…

Q: o determine the number of moles of H2

A: Number of moles = mass/molar mass

Q: Imagine you wanted to produce 5 moles of H,(g). How many moles of Mg and HCl are needed? Mg(s) +…

A: The given data: The moles of H2 produced = 5 moles To determine = The moles of mg and HCl needed.

Q: Label the diagram to correctly convert 141.8g of Cl, to moles of Cl : 71.9 g Ch : 141.8g Cl : 1 mol…

A:

Q: How many molecules are in 1.5 moles of Ca

A: Number of moles of calcium = 1.5 moles Use Avogadro’s number to find the number of molecules of…

Q: A sample of ethanol (C3H.OH) contains 4.2x102s hydrogen atoms. How many moles (n) of ethanol are in…

A: One mole of any substance contains 6.022×1023 particles.

Q: Calculate the number of moles molecules in: ct an a) 10 g water b) 10 g ethanol C,H,O c) 10 g of…

A: Formula Used, 1. molesn=given massMolar Mass 2. Molecules = Moles x 6.023 x 1023

Q: Glycine is an amino acid with the formula C, H,NO,. Determine the number of moles of carbon in 49.24…

A:

Q: how many moles of propylene are in 25.0 g of the substance?

A: Question  is based on mole concept and to calculate number of moles in given amount of substance.…

Q: Complete the table below for calculating the molar mass of the compound silicon dioxide. Formula =…

A: Number of moles of a substance is equal to the mass of the substance divided by its molar mass. n=mV…

Q: Number of atoms of Carbon in 19 moles of C4H10 are:

A: Recall the data, moles of C4H10=19 moles  no. of carbon atom ?

Q: number

A:

Q: Calculate the number of sodium atoms in each following samples: A. 1 mol sodium oxide B. 50g…

A: Given, three samples containing sodium as following,A) 1 mol sodium oxide  B) 50g sodium chlorideC)…

Q: Determine the number of atoms in 71.0g of Br. (Molar mass of one mole of Br is 79.90)

A: Mole is the unit to represent quantity of fundamental particle like proton neutron and electron.

Q: How many moles of propylene (CSH«) are in 25.0 g of the substance?

A: Solution:    The number of moles is a measure that we used for the amount of substance in a…

Q: Calculate the number of moles of O atoms in 18.1 mol of formaldehyde, CH2O

A: Answer 18.1 moles of oxygen atoms are in 18.1 moles of formaldehyde, CH2O.

Q: Glycine is an amino acid with the formula C,H,NO,. Determine the number of moles of carbon in 35.31…

A:

Q: How many formula units are equal to 1.80 moles of magnesium iodide? Round to two decimal places.

A: In Ionic compound there is no existence of molecule because cations and anions are strongly…

Q: 76.0 mol of P4O10 contains how many moles of P?

A:

Q: many

A: I mole CH3OH have  6.023× 10^23

Q: Sucralose, an artificial sweetener commonly used by diabetic patients, has a formula of C12H19Cl3O8.…

A:

Q: how to calculate the molecular formula of  46.68% Nitrogen, 53.32% oxygen and has a molar mass of…

A: Applying concept of determination of molecular formula.

Q: percent composition

A:

Q: 63.45 g of Zn contains ______ moles.

A: The number of moles of any substance present in the sample, we simply divide the given weight of the…

Q: Consider a sample of carbon tetrafluoride that contains 1.01 × 10²⁴ atoms of fluorine. Determine…

A: Given:

Q: How many molecules are in sample?  6.5 g H2O

A: Since the molar mass of H2O is 18 and one mole of H2O contains Avogadro number of molecules, the…

Q: A 27.1 gram sample of AlCl3 is equal to how many moles of AlCl3

A: Number of moles = Mas present in gMolar mass

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.