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70-120mg. Instant coffee on the low end and espressos with more.
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∙ 12y ago
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How many mol of oxygen in 3.5 mol of caffeine.?
The molecular formula for caffeine is C8H10N4O2. As can be seen each mole of caffeine contains TWO moles of O. Thus 3.5 moles caffeine x 2 moles O/mole caffeine = 7.0 moles oxygen
How do you get the answer to number of moles in caffeine in 35.5g caffeine?
Moles = Mass / Mr. In this case Moles = 35.5 / Mr. of Caffeine The Mr. of caffeine (C8H10N4O2) is 194. Moles = 0.183 (rounded)
How many moles of caffeine C8H10O2N4 are contained in a 100. mg sample of caffeine?
The answer is 5,15.1e-4.
How caffeine is in one Reese cup?
Per cup there are 0.5mg of caffeine.
What mass of nitrogen in contained in 0.468 g of caffeine?
Molecular formula: C8H10N4O2 For every 1 mole of caffeine you have 4 moles of Nitrogen.
How many mg of caffeine per ounce of coffee?
75mg is the average amount of caffeine in a single cup of coffee in North America. This varies depending on size of cup and method of brewing.
How much caffeine does a cup of pg tips have?
An average cup of PG tips tea contains only half the caffeine of an average cup of freshly brewed coffee.
Which brand of green tea has the least caffeine?
The tea with the least amount of caffeine is herbal tea and rooibos tea which has zero caffeine. The tea with the second least amount of caffeine is white tea, which has 1% the amount of caffeine in a cup of coffee.
Is 35 milligrams a lot of caffeine?
No. Usually, a cup of coffee has about 100 mg of caffeine.
Is ther caffeine in tea?
Some are naturally caffeine free, some contain 100% the caffeine of a cup of coffee. It depends on the type.
Is there caffeine in green tea?
Yes, 5 - 10% the caffeine of a cup of coffee.
How do you calculate milligrams of caffeine in 60 mL sample?
You have to know the concentration first. That will either be in grams per milliliter (or milligrams per milliliter), or it could be in moles per liter (molarity). If it's given in grams per milliliter, just multiply that number by 60 and multiply by 1000.If it's given in moles per liter, than first find how many moles in 60 mL by multiplying by 0.06, and then convert moles to grams using the molar mass of caffeine (194.19 grams per mole).See the Related Questions for how to convert moles to grams.
