Top Answer

1 mole of CO2 has 1 mole of carbon atoms and 2 moles of oxygen atoms.

So, 25 mole of CO2 has 25 moles of carbon atoms and 50 moles of oxygen atoms.

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0The same. 0.233 moles C (1mol C/1mo CO2 ) = 0.233 moles of Carbon.

90 g CO2 x 1 mole CO2/44 g x 1 mole C/mole CO2 = 2.05 moles C = 2.1 moles C (2 sig figs)

The burning reaction is:C + O2 = CO2For 6 moles oxygen the equivalent is 6 moles carbon.

1 mole of CO2 has 1 mole of carbon atoms and 2 moles of oxygen atoms.

Moles = weight (in g) / molecular weight = 88 / 44 = 2 moles.

1 mole of CO2 has 1 mole of carbon atoms and 2 moles of oxygen atoms. So, 167 mole of CO2 has 167 mole of carbon atoms.

1 mole of CO2 has 1 mole of carbon atoms and 2 moles of oxygen atoms. So, 0.000831 mole of CO2 will have 0.000831 mole of carbon atoms.

0.424 moles of 0xygen

This is a chemical calculation. 2.5 moles will C reacting with O2.

The answer is approx. 0,89 moles.

(90 g CO2 / (12.0+2*16.0) g/mol CO2) = 2.05 mol CO2 = 2.05 mol C2.05 mol C * 12.0 g/mol C = 24.5 g C

1.9 moles are in the sample of CO2. 1 mole of CO2 contains 1 mole of C and 2 moles of O.

C + O2 ==> CO2At STP 1 mole CO2 = 22.4 L 10L x 1 mole/22.4 L = 0.446 moles CO2 needed 1 mole C = 1 mole CO2 Therefore you need 0.446 moles C grams C = 0.446 moles C x 12 g/mole = 5.36 grams = 5 g (to 1 significant figure)

if you mean 10^22 O atoms, then this is how you do it: (8.16X10^22)/2=4.08X10^22 so there are 4.08X10^22 molecules, divided by 6.022X10^23(1 mole) is .06775, so there are that many moles of CO2. If you wanted to know how many moles of overall atoms there were, there's 4.08X10^22 molecules, 1 C in each so 4.08X10^22 C, and 8.16X10^22 O=1.224X10^23, and that's how many atoms, so that divided by 1 mole is (most accurate answer i can get you) .2032547326 moles of atoms so .2032547326 moles of atoms or .06775 moles of molecules/CO2

Molecular molar mass is the sum of the atomic weights in grams of each element times its subscript.Calculate molecular molar mass of carbon dioxide.(1 C x 12.0107g/mol C) + (2 O x 15.9994g/mol O) = 44.095g/mole CO2Convert mass CO2 to moles CO2.165g CO2 x (1mol CO2/44.095g CO2) = 3.74moles CO21 mole of molecules = 6.022 x 1023 moleculesConvert moles CO2 to molecules CO2.3.74 moles CO2 x (6.022 x 1023 molecules CO2/1mol CO2) = 2.25 x 1024 molecules CO2

There are 6.25 moles of C-12 in 75g of C-12.

Balanced equation. C + O2 -> CO2 22.2 grams carbon (1 mole C/12.01 grams)(1 mole CO2/1 mole C) = 1.85 moles carbon dioxide produced -------------------------------------------------

At STP 2.21 L CO2 is 0.0987 moles of CO2 since 1 mole = 22.4L. One mole CO2 contains 1 mole of C so there are 0.0897 moles of C. Grams of C = 0.0987mole x 12g/mole = 1.18 grams.

15.8 grams carbon dioxide (1 mole CO2/44.01 grams)(1 mole C/1 mole CO2)(6.022 X 1023/1 mole C) = 2.16 X 1023 atoms of carbon ======================

2.6 moles C9H8O4 (9 moles C/1 mole C9H8O4)(6.022 X 10^23/ 1mole C) = 1.4 X 10^25 atoms of carbon

C3H8 + 5O2 -> 3CO2 + 4H2O 30 moles propane gas (3 mole CO2/1 mole C3H8)(1 mole C/1` mole CO2) = 90 moles of carbon produced -----------------------------------------( could have been different id carbon and carbon dioxide were not one to one as an internal molecule )

The answer is 2,17 moles carbon.

Use dimensional analysis to solve this problem. First calculate the molecular mass of CO2. This is found by (use a periodic table) adding 12.011g of C to (15.999g x2) grams of Oxygen. Once you do that, you find out that 44.009g are in 1 mole of CO2. Now, simply by looking at the equation of CO2, we can tell that 2 moles of oxygen atoms are in 1 mole of Co2 (look at the subscript for Oxygen). Now, your dimensional analysis should look like this: 254g CO2 x 1 mole CO2/44.009g CO2 x 2 mole Oxygen/1 mole CO2 The answer is 11.5 moles of Oxygen in 254g of CO2.

1,4 moles of CO are produced.

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