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Convert 125 grams of calcium to moles?
For this you need the atomic mass of Ca. Take the number of grams and divide it by the atomic mass. Multiply by one mole for units to cancel.125 grams Ca / (40.1 grams) = 3.12 moles Ca
How do you calculate the number of moles in 56 millimole Na-OH?
Milli means one thousandth. So there are 1000 millimoles in a mole. Therefore 56/1000 gives you 0.056 moles.
How do you convert 2.55 millimoles to moles?
You need to divide by 1000 here. This is because there are 1000 millimoles in a mole. 2.55/1000 gives you 0.00255 moles.
Why divide glucose mgs by 180 for millimoles?
Because the formula for calculating moles is dividing grams by the molecular weight. The molecular weight for glucose is 180. grams to moles is also the same as milligrams to millimoles.
How many millimoles are in 12g of sodium hydroxide?
The molecular weight of sodium hydroxide is 40g/mol. To get the amount of moles, you have to divide the weight by molecular mass. 12g / 40 is 0.3 moles. This is 300 millimoles.
What is the mass of 100 millimoles of caffenine C8H10N4O2?
100 millimoles is 0.1 moles. To convert moles to grams, you need to multiply by the molecular weight, in this case, 194.22g/mol. 0.1*194.22 is 19.422 grams.
How many Cu atoms are their in3.7x103 millimole?
To find the number of copper (Cu) atoms in 3.7 x 10^3 millimoles, you can use Avogadro's number, which is 6.022 x 10^23 atoms per mole. First, convert millimoles to moles (3.7 x 10^3 millimoles = 3.7 moles), then multiply by Avogadro's number to get the number of atoms (3.7 moles * 6.022 x 10^23 atoms/mole).
How much is 100 millimoles?
Milli means 1/1000 (compare millimetres), so it's 1/10 mole
What is the mass in kilograms of 3.25 millimoles of water?
The molecular weight of water is 18g/mol. There are 0.00325 moles in 3.25 millimoles. 0.00325*18 is 0.0585 grams. This is 0.0000585 kilograms.
How many millimoles of HNO3 are present at the start of a titration?
The number of millimoles of HNO3 present at the start of a titration will depend on the initial concentration and volume of the HNO3 solution. To calculate millimoles, you can multiply the concentration of HNO3 in moles per liter by the volume of the solution in liters.
HOW DO YOU CONVERT mMOL INTO PERCENT?
To convert millimoles (mM) into a percentage, you first need to know the total volume of the solution in liters. Calculate the number of moles by dividing the millimoles by 1,000. Then, divide the number of moles by the total number of moles in the solution and multiply by 100 to get the percentage concentration. The formula is: ((\text{mM} / \text{Total mM}) \times 100).
A chemist adds 1.15 L of a .00335M copper II fluoride CuF2 to a reaction flask how many millimoles of copper II fluoride has the chemist added to the flask?
So first off, M means how many moles in every litre. So you have to multiply by the amount of litres. 0.00335 x 1.15 gives you 0.0038525 moles. Multiply by 1000 to convert to millimoles. This gives you 3.8525 millimoles.
