3.18 mol 70.0gN2O x 1mol N2O/44.013g x 2mol N/1mol N2O
To convert mmol to moles, divide by 1000. Therefore, 2.55 mmol is equal to 0.00255 moles.
5.0 grams CO2 (1mol CO2/44.01g) = 0.11 moles CO2
To find the number of moles of atoms in 4.1 x 10^(-12) g of oxygen, you first convert the mass to moles by dividing by the molar mass of oxygen (16 g/mol). 4.1 x 10^(-12) g / 16 g/mol = 2.56 x 10^(-13) moles of oxygen atoms.
In one (1) molecule CO2 there are 3 atoms ( 1 C-atom and 2 O-atoms), so in 5 molecules CO2 (5CO2) there are 5 x 3 (= 15) atoms. Thus fifteenis the answer to you.
1.50 X 10^23 molecules of NH3 is equivalent to 0.25 moles of NH3.
3.18 mol 70.0gN2O x 1mol N2O/44.013g x 2mol N/1mol N2O
To convert mmol to moles, divide by 1000. Therefore, 2.55 mmol is equal to 0.00255 moles.
0.3 moles K (6.022 X 10^23/1mol K) = 1.8 X 10^23 atoms of K
the equation of this reaction is C + O2 = CO2 (s) (g) (g) according to this reaction 1mol of Carbon react with same number of moles of Oxygen. and this combination gives 1mol of CO2 as result. so first we have to find the number of moles in the weight we are going to use. 12 grams of carbon contains 1mol so 6 grams of carbon contains ( 1/12 )*6 = 0.5mol 32 grams of Oxygen contains 1mol 16 grams of Oxygen contains ( 1/36 )*16 = 0.5mol as 1mol of C react with 1mol of O2,0.5mol of C react with 0.5mol of O2. this produces equal number of moles (0.5mol) of CO2.
5.0 grams CO2 (1mol CO2/44.01g) = 0.11 moles CO2
To determine the number of hydrogen molecules produced, you first need to find the moles of zinc reacting. Then, using the balanced chemical equation, you can determine the moles of hydrogen produced. Finally, convert moles of hydrogen to molecules using Avogadro's number (6.022 x 10^23 molecules/mol).
To find the number of moles of atoms in 4.1 x 10^(-12) g of oxygen, you first convert the mass to moles by dividing by the molar mass of oxygen (16 g/mol). 4.1 x 10^(-12) g / 16 g/mol = 2.56 x 10^(-13) moles of oxygen atoms.
There is 0.233 moles of C in 0.233 moles of CO2 since there is one carbon atom in each molecule of CO2.
1mol Al = 26.981538g Al1mol Al atoms = 6.022 x 1023 atomsConvert grams to moles.1g Al x 1mol/26.981538g = 0.04mol AlConvert moles to atoms.0.04mol Al x 6.022 x 1023 atoms/mol = 2 x 1022 atoms Al
In one (1) molecule CO2 there are 3 atoms ( 1 C-atom and 2 O-atoms), so in 5 molecules CO2 (5CO2) there are 5 x 3 (= 15) atoms. Thus fifteenis the answer to you.
Using the equation 2Na + 2HCl -> 2NaCl + H2, we can see that 2 moles of Na react with 2 moles of HCl to produce 1 mole of H2. Calculate moles of Na: 25g Na * 1 mol Na / 23g Na = 1.09 mol Na. Since the reaction is with excess HCl, the number of moles of H2 produced will be half the number of moles of Na, so it will be 0.545 moles of H2.