Purchase Solution

oxygen atoms in 3.00g of sodium dichromate

Not what you're looking for?

Ask Custom Question

How many moles of oxygen atoms are there in 3.00g of sodium dichromate, Na2CrO7?

Purchase this Solution

Solution Summary

This solution converts mass to moles in four steps: calculate the moles of Sodium dichromate, calculate the mols of oxygen per mol of the compound, calculate the mols of oxygen in per 0.011454 mols of the compound, and answer the question in the correct number of significant figures. 225 words.

Solution Preview

Solving a mole problem such as this one can be broken down into several steps. Make sure that you understand the logic behind these steps as they can be applied to any problem such as this one.

1. Calculate the moles of Sodium dichromate:
This is accomplished using the formula: mols = mass/molar mass. We already ...

Purchase this Solution


Free BrainMass Quizzes
Thermochemistry

The quiz helps in revising basic concepts about thermochemistry.

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.

General Chemistry - Classification of Matter

This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.