Chemistry, 30.08.2019 23:30, astarkey14

The molality of a solution that was made by dissolving nacl in 1.5 kg of water is 0.40 m. if the molar mass of nacl is 58.44 g/mol, what is the mass of nacl that was dissolved?
0.27 g
23 g
35 g
39 g

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 05:00, foreignking02

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

continue

Chemistry, 22.06.2019 18:50, emily9656

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

Answers: 3

continue

Chemistry, 23.06.2019 01:00, stefaniethibodeaux

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.

Answers: 1

continue

Chemistry, 23.06.2019 03:50, 2021CanadyRaniya

What is the popular use of lithium batteries

Answers: 1

continue

Do you know the correct answer?

The molality of a solution that was made by dissolving nacl in 1.5 kg of water is 0.40 m. if the mol...