1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Jobisdone [24]
3 years ago
15

When 58.5 g of NaCl is dissolved in 1 kg of water, what is the resulting molality?

Chemistry
1 answer:
Hunter-Best [27]3 years ago
7 0
I think this is how you do it:

You might be interested in
When the plutonium bomb was tested in New Mexico in 1945, approximately 1 gram of matter was converted into energy. Suppose anot
stiv31 [10]

Answer:

See explanation

Explanation:

Given Einstein's theory of relativity, we have that;

E= mc^2

m= mass of the substance

c= speed of light

For one gram of the substance,

E= 1 ×10^-3 × (3 × 10^8)^2

E = 9 × 10^13 J

For 8.7 g of matter;

E = 8.7 × 10^-3× (3 × 10^8)

E= 7.83 ×10^ 14 J

6 0
3 years ago
19) Which one of the following statements describes a chemical property of hydrogen gas?
Rom4ik [11]
B) hydrogen gas burns in air.

explanation: the rest are physical properties.
3 0
3 years ago
Which has a larger electronegativity O or F?
jarptica [38.1K]

F. because electronegativity generally increases as you move from left to right across a periodic table, and F is farther right than O

6 0
3 years ago
Fill in the blanks:
Misha Larkins [42]

Answer:

1. smaller. 2. smaller. 3. greater

Explanation:

1. H−O−H angle is 104.45  and H−C−H angle is 109.5

2. O−S−O angle is 119 and F−B−F angle is 120

3. The F−S−F bond angle in SF₆ is 90 and F−Br−F bond angle in BrF₅ is 84.8

8 0
4 years ago
An unknown element, X, is a nonmetal that contains seven valence electrons. Element X most likely forms ___________ covalent bon
scZoUnD [109]
A) 1 is the correct answer!
4 0
3 years ago
Other questions:
  • Tell whether the statement is TRUE or FALSE. Air pressure is gravity pulling down on air molecules.
    14·1 answer
  • 35mL of acid with an unknown concentration is titrated to completion using 63mL of 3.0 MNaOH.
    7·1 answer
  • You could also graph decay time (in seconds or minutes) vs. number of radioactive nuclei. How would this graph differ from the g
    6·2 answers
  • What would be the concentration of a solution resulting when you dissolve 4.725g of nacl (molar mass = 58.45) in water to make a
    10·1 answer
  • What is the colour change that would be observed if carbon dioxide gas were bubbled into a mixture of calcium oxide, bromothymol
    7·1 answer
  • How can you be sure a solid is pure?
    10·1 answer
  • What is the average rate of the reaction between 10 and 20 s?
    11·1 answer
  • Why are the testicles outside the body instead of inside?
    6·1 answer
  • Gravity is an example of which type of force?
    10·1 answer
  • What is the correct formula of a compound that has ten oxygen atoms and four phosporus atoms?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!