To convert the mass of a carbon dioxide to moles takes two steps. First, sum the molecular weights of carbon and oxygen (oxygen's atomic weight is added twice because there are two oxygen atoms in the molecule). Then, simply divide the mass by the number calculated. The result is the number of moles of CO2
There are 28.3495231 grams in one ounce. Therefore to get amount of grams in ounces, value in ounces has to be multiplied by amount of grams in one ounce: 32 ounce = [ounce] * 28.3495231 = 32 * 28.3495231 = 907.1847 grams
To calculate the amount of NH3 needed to react with 21 grams of CH3OH, you first need to balance the chemical equation for the reaction. Then, you convert the mass of CH3OH to moles and use the mole ratio from the balanced equation to determine the moles of NH3 required. Finally, convert the moles of NH3 to grams using the molar mass of NH3.
To convert moles of a substance into grams you first need to figure out its molecular mass. Then you can use this equation: grams(g)=moles(n) X molecular mass For example, 1 mole of Carbon (which has a molecular mass of 12) has a mass of 12 grams.
32 kg 1 kilogram = 1000 grams 1 gram = 0.001 kilogram
There are 28.3495231 grams in one ounce. Therefore to get amount of grams in ounces, value in ounces has to be multiplied by amount of grams in one ounce: 32 ounce = [ounce] * 28.3495231 = 32 * 28.3495231 = 907.1847 grams
For every 2 moles of O2 produced, 3 moles of CO2 are used in the reaction. So you need to calculate the moles of O2 produced first using its molar mass, then use the mole ratio to find the moles of CO2 used. Finally, convert the moles of CO2 to grams using its molar mass.
First, find out how many moles of C2H6 that you have: Carbon is 12 grams per mole, and H is 1 gram per mole, so C2H6 is (2*12 + 6*1)grams = 30 grams per mole. So you have (77.28/30 = 2.58) moles. Every 2 moles of C2H6 reacts wilth 7 moles of O2 so it will react with 7/2*2.58 moles = 9.02 moles of O2.O2 is 32 grams per mole, so (9.02 moles)*(32 grams/mole) = 288.64 grams.
To convert 14.0 grams of CO into CO2, you need 16 grams of oxygen. This is because each molecule of CO reacts with one molecule of O2 to form one molecule of CO2. The molar mass of O2 is 32 g/mol, so 16 grams of oxygen is needed to convert 14.0 grams of CO.
To find the number of molecules in 33.6g of CO2, you first need to convert grams to moles. The molar mass of CO2 is 44 g/mol. Therefore, 33.6g is equal to 33.6g / 44 g/mol = 0.764 moles of CO2. Using Avogadro's number (6.022 x 10^23 molecules/mol), you can calculate that 0.764 moles of CO2 is equal to 0.764 mol x 6.022 x 10^23 molecules/mol = 4.6 x 10^23 molecules of CO2.
There are 1.0001 moles.
15 moles O2 (32 grams/1 mole O2) = 480 grams
For this you need the atomic (molecular) mass of O2. Take the number of moles and multiply it by the atomic mass. Divide by one mole for units to cancel.2.047 moles O2 × (32.0 grams) = 65.5 grams O2
The balanced equation is: 2C + O2 -> 2CO2. First, determine the moles of C and O2: 4g C / 12 g/mol = 0.33 mol C and 10.67g O2 / 32 g/mol = 0.33 mol O2. From the balanced equation, 2 moles of C produces 2 moles of CO2, so 0.33 mol C will produce 0.33 mol CO2. Since CO2 has a molar mass of 44 g/mol, the total grams of CO2 produced will be: 0.33 mol CO2 x 44 g/mol = 14.52 grams of CO2.
The balanced equation for the reaction is 2 C4H10 + 13 O2 -> 8 CO2 + 10 H2O. This shows that 13 moles of diatomic oxygen are required to burn 2 moles of butane. By proportionality, (4.8/2)13 or 31.2 moles of oxygen are required to burn 4.8 moles of butane. This corresponds to 31.2(32) or 1.0 X 103 grams of oxygen.
One mole of oxygen molecule weighs 32g. Therefore, 3 moles weigh 32 x 3= 96g
to convert an element to moles you need to setup and equation, for our example we will be using 5g of O2 or oxygen. You need to know what O2's molar mass is as well, it is 32g. So the equation would be 5g of O2 / 32 = .16 moles of O2. So to convert moles to grams all you do is multiply the moles given by the molar mass of the element/compound and you have your grams Hoped this helped : )
Two moles of O2 molecules would have a mass of 64 grams (2 moles x 32 grams/mole = 64 grams).