**How to find the molar mass of an iron compound based on**

This empirical formula can represent a number of compounds, but we know that each compound has a molar mass that is a multiple of the molar mass of the empirical formula. The empirical formula has a molar mass of 14 g/mol so the molar masses of compounds that can be represented by this empirical formula are (28,42,56 . . .).... This empirical formula can represent a number of compounds, but we know that each compound has a molar mass that is a multiple of the molar mass of the empirical formula. The empirical formula has a molar mass of 14 g/mol so the molar masses of compounds that can be represented by this empirical formula are (28,42,56 . . .).

**Pfeil Chemistry Final Flashcards Quizlet**

In this post, youâ€™ll learn how to find the empirical and molecular formula of an unknown compound when given the mass percent of the compound. First, weâ€™ll start by going over all the steps. Then weâ€™ll apply the step by going through an example.... This empirical formula can represent a number of compounds, but we know that each compound has a molar mass that is a multiple of the molar mass of the empirical formula. The empirical formula has a molar mass of 14 g/mol so the molar masses of compounds that can be represented by this empirical formula are (28,42,56 . . .).

**I need to find the average molar mass of an unknown**

6/09/2009Â Â· Best Answer: Convert 0.474 grams CaSO3 into moles: 0.474 g X 1 mol/120 g/mol = 3.93 X 10^-3 mols 0.624 grams of the original compound must also be 3.93 X 10^-3 moles, so the molar mass of the original compound will be:... 24/01/2013Â Â· Consider this reaction involving an unknown element X. F2 + 2XBr -> Br2 + 2XF When 4.100 g of XBr reacts, 2.753 g of Br2 is produced. Calculate the molar mass of X and what element â€¦

**I need to find the average molar mass of an unknown**

Element L has an average atomic mass of 54.2488 amu and is composed of two isotopes. The first has a mass of 55.2036 amu and makes up 41.030% of a standard sample. What is the mass of the second isotope? I under how to get average... 9/03/2013Â Â· How do I find 0.742 of a gas that has a volume of 830 mL at 1.30 atm and 24 degrees Celsius How do you calculate the molar mass of gas at STP? How do I find 0.742 of a gas that has a volume of 830 mL at 1.30 atm and 24 degrees Celsius. Update: that is 0.742 grams of a gas by the way. Update 2: The main reason why I'm confused by this is that the main question was to find it at STP, â€¦

## How To Find The Molar Mass Of An Unknown Element

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## How To Find The Molar Mass Of An Unknown Element

### Determining the atomic mass of an unknown element From the atomic mass of X and the data about XY4, you could find the atomic mass of Y. Find how many moles of oxygen atoms are in 1.14 g of oxygen: 1.14/16.00. (That is 2 times as many moles of X were in 1.00 g of X). You could divide by 2 to find moles of X atoms in 1.00 g of X. You could do some more arithmetic to find the molar mass of X

- This empirical formula can represent a number of compounds, but we know that each compound has a molar mass that is a multiple of the molar mass of the empirical formula. The empirical formula has a molar mass of 14 g/mol so the molar masses of compounds that can be represented by this empirical formula are (28,42,56 . . .).
- 9/06/2015Â Â· An unknown compound weighs 1.023 kg. It is known that element X composes 28.3% of the compound. Given that the molar mass is 240.5 g/mol, find element X. I tried solving using the first equation, but I don't know them mass, Ar or mole of element X. â€¦
- The molar mass of air is a weighted average of the molar masses of its components. The molar masses of nitrogen, oxygen, and argon are 28 g/mol, 32 g/mol, and 40. g/mol, respectively. Thus, the molar mass of dry air is
- Element L has an average atomic mass of 54.2488 amu and is composed of two isotopes. The first has a mass of 55.2036 amu and makes up 41.030% of a standard sample. What is the mass of the second isotope? I under how to get average

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