Divide 2 by 68 17 and you have 0 0293 moles of nh 4 2 s. For example imagine you have 2 g of nh 4 2 s and you want to convert it to moles.

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Water has the molecular structure h2o.

How to convert ml to moles. Multiple the volume by the molarity. You can t convert from mol to liter. Since a mol is a number of a substance and a liter is the volume that substance occupies there is no way to convert from liters to moles.

Make sure that the units for the volume and the same as for the volume part of the molarity e g ml and mol ml. For example you could have 10 molecules of salt or 10 000 molecules of salt. The result is the number of moles in your element or compound.

That way the mol n2 units cancel. The molecular mass of nh 4 2 s is 68 17g mol. The molar mass of nacl is 58 44276 g mol.

To solve this problem you begin with your known quantity the 278 mol of nitrogen that s to be reacted. You multiply that quantity by the mole mole conversion factor that relates moles of nitrogen to moles of ammonia. Using a calculator divide the number of grams by the molar mass.

Note that rounding errors may occur so always check the results. You write the conversion factor so that mol nh3 is on top and mol n2 is on the bottom. Mole litre or mol ml the si derived unit for amount of substance concentration is the mole cubic meter.

This is because in a liter you could have any amount of a substance. Lets say we have 100 milliliter of water at 20oc and you want to know how many moles this is. Mole 0 2 15 1000 58 44276 0 000051332278 mol 2 what s the mass of nacl required to make a 0 2mol l solution in 15ml of water.

So the molar mass is 1 007947 2 15 99943 18 015324. This is the number of moles present. 1 mole cubic meter is equal to 0 001 mole litre or 1 0e 6 mol ml.