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Chemistry, 21.06.2019 14:10
The rock in a lead ore deposit contains 89 % pbs by mass. how many kilograms of the rock must be processed to obtain 1.5 kg of pb?
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Chemistry, 21.06.2019 23:00
Matches the chemical name of each oxide of phosphorus to its chemical formula
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Chemistry, 22.06.2019 04:30
Using the periodic table, complete the table to describe each atom. type in your answers
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Chemistry, 22.06.2019 05:30
The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?
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Mathematics, 29.01.2020 06:44