Chemistry, 06.04.2021 07:20 aliami0306oyaj0n
The density of ethanol is 0.789 g/mL. What is the mass of 150 ml. of this alcohol?
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
Answers: 3
Chemistry, 22.06.2019 16:00
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
Answers: 2
Chemistry, 22.06.2019 19:00
Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury
Answers: 2
The density of ethanol is 0.789 g/mL. What is the mass of 150 ml. of this alcohol?...
Chemistry, 02.10.2019 07:30
Mathematics, 02.10.2019 07:30
Mathematics, 02.10.2019 07:30
Business, 02.10.2019 07:30
History, 02.10.2019 07:30
History, 02.10.2019 07:30