Chemistry, 19.07.2020 01:01 andydiaz1227
Write the electronic configuration of the Na +, Mg2 +, Ca2 + and Rb + ions.
Answers: 2
Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Chemistry, 23.06.2019 03:00
Asample of sea water contains 6.28g of sodium chloride per litre of solution. how many milligrams of sodium chloride would be contained in 15.0ml of this solution?
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Chemistry, 23.06.2019 09:20
Asolution of naoh has a concentration of 25.00% by mass. what mass of naoh is present in 0.250 g of this solution? use the periodic table in the toolbar if needed. 0.0625 g what mass of naoh must be added to the solution to increase the concentration to 30.00% by mass? g
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Chemistry, 23.06.2019 10:30
Me soon im confused much mass would a mole of hydrogen molecules contain? recall that hydrogen is diatomic. g/mol
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Write the electronic configuration of the Na +, Mg2 +, Ca2 + and Rb + ions....
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