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Answered 2016-02-25 08:18:54
Molar mass of Sr is 87.6gmol-1. mass of 7 moles is 613.2g.
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211 is the mass in grams of 1.15 moles of strontium sulfate.
Mass of 1mole of Argon is 39.95g. So, The mass of 7 moles of Argon is 39.95x7= 279.65g.
Relative Formula mass of Lithium = 7g Actual mass/Relative formula mass = moles 15/7 = 2.14 moles
The atomic mass of strontium is 87.62.
Strontium is a metal element. Atomic mass of it is 88.
Strontium is a metal element. Atomic mass of it is 88.
0,17 moles of stronium is equal to 1,02376394569.10e23 atoms.
18.3 divided by 7 (atomic mass) = 2.614 moles.
Strontium-88 It is the closest to the Strontium atomic mass.
The mass of 7 050 moles of natural uranium is 238,02891 x 7 050.
To convert mass to moles, you use the equation n= m/M n is moles, m is mass, M= Molar mass, which is the mass of the atoms in the formula or substance.
This formula is: moles = mass of the compound/molar mass of the componnd
to convert mass into moles you divide by the molar mass. You cannot convert molar mass directly to moles.
0.615 moles Because the 13 is Carbon's atomic mass so 13.0g/moles Moles=Mass/atomic mass Moles=8.00/13.0= 0.615 moles
0.54 moles of atoms are in 7.00 grams of Carbon 13. The formula used to calculate the number of moles of atoms is No. of moles = Mass divided by Relative tomic Mass or 7 divided by 13.
Sr is 87.6g/mol, and 25/87.6 = 0.285 moles.
Grams/Molar mass = moles
Calculate:mass/molar mass = moles
By dividing the total mass of the number of moles that you are considering by number of moles; the result is the molar mass.
Number of moles = Total mass/Molar mass
Since molar mass of hydrogen is 1g , the no. of moles = mass of hydrogen given. or No. of moles= Given mass of substance/Molar mass of substance
moles=mass/Molar Mass 6.50=mass/98 mass=637g 6.5 moles of H2SO4 weighs 637g.
Atomic mass of Sulphur is 32 1 mole = Atomic mass of sulphur No. of moles = Given mass/ Atomic mass No.of moles= 5/32 0.15 moles
No of moles= given mass/molecular mass = 600/30= 20 moles
Moles = mass/molar mass = 1/197 = 0.005 moles
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