subject
Chemistry, 28.01.2021 02:00 wyattdawes45

A certain quantity of sodium carbonate heptahydrate was heated to remove the water. After the process was properly completed, the mass of the anhydrous compound that remained was 2.764 g. Calculate the original mass of the hydrated sodium carbonate

ansver
Answers: 3

Another question on Chemistry

question
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
question
Chemistry, 22.06.2019 18:20
Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds
Answers: 2
question
Chemistry, 22.06.2019 21:30
What is another way to determine mass times acceleration?
Answers: 1
question
Chemistry, 22.06.2019 21:50
Given the data below for the reaction, 2 a + 2 b + 4 c => d + e + 3 f, the reaction is fill in the [ ] order in a, fill in the [ ] order in b, fill in the [ ] order in c and fill in the [ ] order overall. (use the words "first, second, third, fourth" to fill each blank)experimentinitial conc of a, mol/l initial conc of b, mol/l initial conc of c, mol/l initial rate, mol/l.s1 0.1 0.1 0.2 2 x 10-32 0.2 0.3 0.2 6 x 10-33 0.3 0.1 0.2 2 x 10-34 0.4 0.3 0.4 1.2 x 10-2
Answers: 2
You know the right answer?
A certain quantity of sodium carbonate heptahydrate was heated to remove the water. After the proce...
Questions
question
Mathematics, 09.07.2019 08:10
question
Mathematics, 09.07.2019 08:10
Questions on the website: 13722367