Chemistry, 16.07.2019 17:40 bgarrison364
Asample of a compound made entirely from copper and oxygen was found to have a total mass of 0.1431g the mass of the copper in the compound was found to be 0.1271g. calculate the number of moles of copper in the sample.
Answers: 1
Chemistry, 21.06.2019 19:00
Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion
Answers: 1
Chemistry, 21.06.2019 22:30
What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons,neutrons,electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)
Answers: 2
Chemistry, 22.06.2019 02:40
How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2
Answers: 1
Asample of a compound made entirely from copper and oxygen was found to have a total mass of 0.1431g...
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