Chemistry, 03.05.2021 17:50 dannariushartman
PLEASE HELP ME!! What is the mole fraction of table salt (NaCl) in a solution containing 12.4 moles of table salt in 1900g of water? (12.5 pts)
Answers: 3
Chemistry, 22.06.2019 05:00
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
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Chemistry, 22.06.2019 15:30
Which of the following are correct values for the ideal gas laws constant r
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Chemistry, 22.06.2019 22:30
Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility
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PLEASE HELP ME!! What is the mole fraction of table salt (NaCl) in a solution containing 12.4 moles...
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