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The mass of a sample

A sample of a radioactive isotope had an initial mass of 800 mg in the year 2000 and decays exponentially over time. A
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A sample of a radioactive isotope had an initial mass of 370 mg in the year 2000 and decays exponentially over time. A
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2. 58 views
mass of crucible- 26.4574gmass of crucible and hydrated sample- 27.7617g mass of hydrated sample 1.3043g mass of crucible and
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2. asked by Johny
3. 2,785 views
Sometimes, instead of percentages compostion, you will have the composition of a sample by mass. Using the actual mass of the
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2. asked by Chopsticks
3. 838 views
The difference samples A and B of Zinc oxide we're obtained from different sources when heated in a stream of hydrogen they were
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2. asked by samba mambo
3. 1,355 views
A sample has a molar mass of 162g/mol. When a sample of mass 0.385g was burned , 1.072g of CO2 ,0.307g H2O and 0.068g of
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2. asked by Marie
3. 522 views
A sample has a molar mass of 162g/mol. When a sample of mass 0.385g was burned , 1.072g of CO2 ,0.307g H2O and 0.068g of
1. 0 answers
2. asked by Marie
3. 596 views
1.How many atoms are in a sample of copper with a mass of 18.46 grams?2.How many formula units are in a sample of salt with a
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2. asked by grace
3. 1,448 views
1.How many atoms are in a sample of copper with a mass of 18.46 grams?2.How many formula units are in a sample of salt with a
1. 1 answer
2. asked by grace
3. 855 views
A sample that is 63.9 % chloride by mass is dissolved in water and treated with an excess of AgNO3. If the mass of the AgCl
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2. asked by Ashley
3. 1,239 views