Q Calculations
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Q Calculations
When solving for Q, if the concentrations are given in mmol/L, do you have to change them to mol/l? Thanks!
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Re: Q Calculations
Yep! Unless they specifically say to leave it in mmol, I would always convert it to mol/L because that's the standard unit for concentrations.
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Re: Q Calculations
I think moles/liters is the standard form, but I would always check if the question indicates certain units.
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Re: Q Calculations
Yes, you need to convert to moles as it is the correct unit for that calculation (unless it specifically asks for mmol).
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Re: Q Calculations
mmol is mol x 10^-3. mmol and mole are pretty much the same thing but just different decimal points.
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Re: Q Calculations
Yes, I always forget about unit conversions and it messes me up a lot! Now I always check units and make sure that everything is in its standard form before solving equations. It helps a lot to convert everything first so you final answer will be in the correct units. For Q, you would need to change mmol/L to mol/L unless the questions specifically tells you otherwise!
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Re: Q Calculations
If some of the given concentrations are in mol/L while others are in mmol/L, you would have to convert them to the same unit to calculate Q.
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Re: Q Calculations
It makes the most sense to change it from mmol to mol, because mol/L is the unit for concentration, which is incredibly important for Q or K values.
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Re: Q Calculations
It would be best to convert them. Just to make sure that your values, especially at the end, make sense.
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Re: Q Calculations
I think if both molarities are in mmol it's fine because the units cancel out in the Q ratio form
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Re: Q Calculations
Hi! I think it is best to convert your units from mmol/L to mol/L since the units for Q are mol/L, unless the questions tells you otherwise.
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Re: Q Calculations
Since units ALWAYS have to match with the other units given in the equation/ formula, you would have to convert.
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Re: Q Calculations
units for Q are mol/L, mol/L is the standard form; unless the problem, wants them in different units
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