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Porassium alum is 3.9 parts

Porassium alum is 3.9 parts per 100 parts of water. Knowing this, how many moles of potassium alum are present in 50ml?
1. 2 answers
2. asked by Lex
3. 510 views
I had a 1.094g of mystery Alum. "AB(SO4)c. dH2O" (I assume that that the Alum is KAl(SO4)2-12H2O but we don't know A B c or d,
1. 1 answer
2. asked by Graham
3. 650 views
How would I find the percent of water lost in alum after it has dried for a week?Wet Alum = 13.44g Dry Alum = 11.28g
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2. asked by Zach
3. 567 views
1)Why is it necessary to heat the alum until its mass does not change by more than 2mg?2)Why its it necessary to store the alum
1. 1 answer
2. asked by Paul
3. 888 views
what will be the mass of angydrous Alum left over if one starts with 100.00 g of hydrated Alum?please can you explain what
1. 1 answer
2. asked by Jay
3. 1,491 views
Potash alum is a double salt. Explain this statement using the chemical formula of the alum.
1. 4 answers
2. asked by Anonymous
3. 1,973 views
Potash alum is adouble salt . Explain this statement using the chemical formula of the alum
1. 1 answer
2. asked by Promise
3. 438 views
what are the seperation techniques involved in obtaining pure alum from powdered mixture of alum and sand
1. 1 answer
2. asked by thifmlku
3. 30 views
what will be the mass of angydrous Alum left over if one starts with 100.00 g of hydrated Alum?
1. 1 answer
2. asked by Jay
3. 842 views
Calculate the percent yield of alum if you obtained 75.0 g of potassium alum from 5.00 g Al.
1. 3 answers
2. asked by Cynthia
3. 2,806 views