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I assume you mean at standard temperature and pressure. Use,
PV = nRT
(1 atm)(1 liter) = n(0.08206 L*atm/mol*K)(298.15 K)
n = 1/24.466
= 0.04 moles oxygen gas
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What is 2.5 grams per 100 milliliters in moles per Liter?
2.5g/100ml = moles/1L First convert the ml into L. 2.5g/.100L = moles/1L Cross multiply. 25 moles/ 1L
How many moles of gas does a steel cylinder witha volume of 45 liters contain at standard temp pressure?
stp= 22.4 dm3, 1L = 1 dm3 1mole ---> 22.4dm3 xmole ---> 45dm3 45/22.4 = 2.001 moles
How many liter in a meter?
Completely depends on the volume of the container.
How many moles of sucrose are there in 5 liters of sugar that has a concentration of 0.5 M?
Is that 0.5L ? If yes, as 1L=1dm3, no. of mole= (volume)(concentration)=(0.5)(2)=1 mol
How many ml equal 1l?
there are 1000mL in 1L
What is 2.5 grams per 100 milliliters in moles per Liter?
2.5g/100ml = moles/1L First convert the ml into L. 2.5g/.100L = moles/1L Cross multiply. 25 moles/ 1L
How many moles of gas does a steel cylinder witha volume of 45 liters contain at standard temp pressure?
stp= 22.4 dm3, 1L = 1 dm3 1mole ---> 22.4dm3 xmole ---> 45dm3 45/22.4 = 2.001 moles
How many moles of NaCl is required to make 1L of a 140mM solution?
2g
How many ml of 0.25M KCl are needed to provide 0.012 moles of KCl?
0.012mol KCl x (1L/0.25mol KCl) x (1000ml/1L) = 48 mL KCl
How many molecules are present in 2.5 moles of SO2?
M means molarity, with units moles/Liter. Using this information, we use dimensional analysis: 2.5mL x (1L/1000mL) x (9mol/1L) = 0.0225mol
How many moles of ions are contained in 1.58 L of a 1.34 M solution of KCl?
1.34M--->1L xM---> 1.58 L = 1.34 x1.58 = 2.12 moles KCL
How do you convert moles to Litters?
number of moles = Volume (l) . Conc (mol-1l) so V = C/N
Calculate the volume of solution needed to dissolve 0.25 moles NaCl to make a 3.0M solution?
3.00 M, or 3 moles per (L) "liter" calls for having 3 moles per liter of the solution. The question asks how many moles must be in 250ml of a solution that has 3 moles per Liter. You must ask yourself what percent of 1 Liter is 250mls? Since there are a thousand ml in one liter, (1000ml=1L), then 250ml is exactly 25% of a Liter, or .25L. So, 250ml can only hold 25% of the 3.00 Molarity. Meaning that you multiply 3 x .25 and get .75 moles.
How many moles of each ion are found in a 1L of 5m of MgSo4 solution?
Molarity = moles of solute/Liters of solution5 M MgSO4 = moles MgSO4/1 L5 moles MgSO4=============since all is one to one in ion countMg 2+ = 5 moles--------------------------andSO4 2- = 5 moles----------------------
Can you put ten liters of oxygen into one liter volume?
If you add pressure to the system, minimise the size of the container that the oxygen is in and you can compress 10l to 1l of oxygen as it is a gas
How many liters in a milk container?
In Australia, there are several different sizes. The most popular being 600mL, 1L, 2L and 3L.
How many molecules of o2 are present in 1l air containing 80 percent volume of o2 at stp?
Please check the workings if you wish to understand how the problem is solved. At S.T.P., 1 mole of any gas = 22.4 Litres(It's a given. I assume you know this one.) Therefore, 1 Litre of a gas = 1/22.4 = 0.0446 moles Out of these 0.0446 moles, 80% is Oxygen gas. Number of moles of Oxygen gas = 0.0446 x 80% = 0.0446 x 80/100 = 0.0357 moles. 1 mole of any gas = 6.02 x 1023 units (This is also a given, known as the Avagadro's constant.) Therefore, 0.0357 moles = 0.0357 x 6.02 x 1023 = 2.15 x 1022 molecules of Oxygen gas.
