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what is the mass percentage

What is the percentage distribution of different elements in a different compound, given its molar mass and mass percentage of
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2. asked by Gina
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Can you help me understand how to review the math definition... what "percentage" means. I need to know what the total mass of
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2. asked by Hope
3. 566 views
Using the mass of the copper in the crucible (first mass in the table), and the mass of the crucible with compound (last mass
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2. asked by Taco
3. 559 views
how do u calulate percentage composition of NO2[mass N/mass NO2] x 100 = %Nitrogen [mass O2/mass NO2] x 100 =%oxygen
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2. asked by san
3. 1,088 views
I need help with these questions1. Calculate the percentage by mass of potassium in potassium sulfate K2 SO4 2. calculate the
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2. asked by Victoria
3. 982 views
According to the DSM-5, approximately what percentage of the population has intellectual development disability (IDD) a. 6
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2. asked by Bincy biju
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1000 g of a 50% (mass percentage) nitric acid solution is to be diluted to 20%(mass percentage) nitric acid solution. How many
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2. asked by Dewa
3. 533 views
1000 g of a 50% (mass percentage) nitric acid solution is to be diluted to 20%(mass percentage) nitric acid solution. How many
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2. asked by Dewa
3. 552 views
what is the percentage yield forSr(NO3)2 + Na2SO4 -> SrSO4 + 2 NaNO3. mass of strontium nitrate is 0.788g mass of sodium sulfate
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2. asked by Dianna
3. 1,145 views
1000 g of 55%(mass percentage) nitric acid solution is to be diluted to 20%(mass percentage) nitric acid solution. How many
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2. asked by Wube
3. 980 views