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Calculate the mass of Crystals

Calculate the loss in mass if 20.2g of KNO3 crystals was completely decomposed(K=39,N=14,O=16
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2. asked by Deborah
3. 545 views
Calculate the mass of Crystals that will form in 400g of water if the solution is cooled from 55°C to 15°C?
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2. asked by Shannah
3. 1,606 views
Hugo began his science experiment with 22 grams of sugar crystals. During the experiment, the change in the mass of the sugar
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2. 38 views
When HCl reacts with Na2CO3 and H2O, what is created? More specifically, what are the crystals that remain?The questions that I
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2. asked by Ria
3. 657 views
When HCl reacts with Na2CO3, what is created? More specifically, what are the crystals that remain?The questions that I need to
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2. asked by Ria
3. 658 views
David has to dissolve salt crystals in the water. What would be the best thing to do to help the crystals dissolve quickly?A)hea
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2. asked by Sally
3. 963 views
Calculate the number of molecules of water of crystallization in oxalic acid crystals H2C2O4.nH20 that 5g of the crystals were
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2. 87 views
when trying to purify aspirin, why would i have to add hot water to the crystals that are formed, and then recool the crystals?
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2. asked by chrissy
3. 653 views
In the section, "What are snow crystals?" how is the idea of the shape of snow crystals introduced?A by explaining the process
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2. 72 views
2.40g of copper (ii)tetraoxosulphate(iv) crystals are prepared from 0.45g of copper (ii) oxide.the copper (ii)
1. 2 answers
2. asked by Chemistry
3. 2,273 views