Chemistry, 01.09.2019 08:30 msjsnell29
Lead is found in earth’s crust in several different lead ores. suppose a certain rock is composed of 38.0% pbs (galena), 25.0% pbco3 (cerussite), and 17.4% pbso4 (anglesite). the remainder of the rock is composed of substances containing no lead. how much of this rock (in kg) must be processed to obtain 5.2 metric tons of lead? (a metric ton is 1000 kg.)
Answers: 1
Chemistry, 22.06.2019 00:30
You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning
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Chemistry, 22.06.2019 03:00
In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?
Answers: 3
Chemistry, 22.06.2019 18:30
How many moles of bromine are needed to produce 3.23 moles of potassium bromide
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Lead is found in earth’s crust in several different lead ores. suppose a certain rock is composed of...
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