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Calculate the relative atomic mass

1)Naturally occuring boron is made up of 20% by mass of 10B isotope and 80% by mass of 11B isotope.Calculate the relative atomic
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2. asked by PEACE
3. 912 views
if one mole of the compound Al4C3 has a mass of 144g and one mole of carbon has a mass of 12g, calculate the relative atomic
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2. asked by smartypants
3. 625 views
if one mole of the compound AL4C3 has a mass of 144g and mole of carbon has a mass of 12g, calculate the relative atomic mass of
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2. asked by brainywaney
3. 1,133 views
The element copper has naturally occuring isotopes with mass numbers of 63 and 65. The relative abundance atomic masses are
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2. asked by henry
3. 1,922 views
True or false:To calculate relative atomic mass, you multiply the mass number of the isotope with its % relative abundance
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2. 9 views
What is the relative atomic mass of naturally occuring copper to four decimal places when you are given 69,09% of copper-63 with
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2. asked by Zanele
3. 880 views
If the relative atomic mass of two isotopes 35m and 37m is 35.5.calculate the relative abundance of 37m.
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2. asked by Micheal
3. 533 views
Boron has only two naturally occurring isotopes. The mass of boron-10 is 10.01294 amu and the mass of boron-11 is 11.00931 amu.U
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2. asked by Brittany
3. 3,870 views
iridium has two isotopes. with mass numbers 191 and 193, and its average relative atomic mass is 192.23.calculate the relative
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2. asked by daanyaal
3. 10,065 views
12) Naturally occurring argon is composed of 0.3365% of 36Ar (atomic mass, 35.9675 u), 0.0632% of 38Ar (atomic mass, 37.9627 u),
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2. asked by Luke
3. 1,212 views