Purchase Solution

Determining number of moles from mass

Not what you're looking for?

Ask Custom Question

1) Determine the number of moles of aluminum in 96.7 g of Al.

2) How many moles are there in 8.0 g of ozone, O3.

Purchase this Solution
Solution Summary

The solution determines the number of moles from mass.

Solution Preview

Number of moles = mass / molar mass

1) the atomic mass of Al is 27 ...

Purchase this Solution
Free BrainMass Quizzes
Periodic table

Thermochemistry

The quiz helps in revising basic concepts about thermochemistry.

Organic Chemistry Naming: Alkanes

This is a quiz which is designed to assist students with learning the nomenclature used to identify organic compounds. This quiz focuses on the organic compounds called Alkanes.

Match Elements with their Symbols

Elements are provided: choose the matching one- or two-letter symbol for each element.

Functional groups in Organic Chemistry

You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.

View More Free Quizzes
Related BrainMass Solutions

  • oxygen atoms in 3.00g of sodium dichromate

    2486 Determining Number of Moles of Oxygen Atoms How many moles of oxygen atoms are there in 3.00g of sodium dichromate, Na2CrO7? Solving a mole problem such as this one can be broken down into several steps.

  • Which chemical compound has the greatest mass of bromine?

    The mass of bromine in each compound is calculated by determining the number of moles of each compound, the number of moles of bromine in each compound and then the mass of bromine of that number of moles.

  • Calculating Calories of Heat Produced

    Hope this helps, Yinon The solution provides a detailed, step-by-step walk through of the calculations one must do to find the number of calories of heat produced from a hydrogen reaction, using the bai equation, as well as determining if the reaction

  • Mass changes during catechol combustion

    moles of H2O moles of CO2 moles of H atoms moles of C atoms mass of H mass of C Please see the attachment.

  • Determination of the Molecular Shape of Dimethyl Sulfoxide

    Now we need to convert that number of moles for DMSO into a mass, via the molecular mass of DMSO, and we should be able to find the theoretical mass of the product that should result from this reaction.

  • Determining chemical formula

    How many moles? (5.10 g)(1 mol/1 g) = 5.1 mol Now, we need to find whole numbers for these unusual numbers. Clearly though, we have the same number of carbon atoms as we have oxygen atoms, since the mol count is the same for both of those.

  • Determining empirical formula for compound based on element mass

    So we have to determine the simplest whole-number ratio from the available information.

  • Molecular Formula of Thiophene

    Wt of CO2 = 44 Number of moles of CO2 = 1.119/44 = 0.025432 Mol. Wt of H2O = 18 Number of moles of H2O = 0.229/18 = 0.012722 Mol.

  • Working with amount of gases produced and consumed

    weight = number of moles * molar mass so the weight of O2 consumed is 2.2191*32 = 71g -- Answer 2moles of butane produces 8moles of CO2 so 0.3414 moles of butane will produce 0.3414*8/2 moles of CO2 = 1.3656 moles weight = number of moles

View More Related Solutions