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
fredd [130]
3 years ago
10

What is the molality of a solution when 0.50 moles glucose is dissolved in 750 g of water?

Chemistry
1 answer:
xxMikexx [17]3 years ago
3 0

Answer:

0.67mol/Kg

Explanation:

The following were obtained from the question:

Mole of solute = 0.50mol

Mass of solvent = 750g = 750/1000 = 0.75Kg

Molality =?

Molality = mole of solute /mass of solvent

Molality = 0.5/0.75

Molality = 0.67mol/Kg

You might be interested in
A beaker contains 30 milliliters acetone that boils at 56 °C. What is the boiling point of half of this acetone? Half of 56 °C s
dimaraw [331]
The quantity doesn't matter when it comes to boiling point, it's an Intensive property. The boiling point will not change. = 56°C
5 0
3 years ago
Read 2 more answers
What is the difference between the molar mass and the empirical formula mass of a compound? when are these masses the same, and
fomenos
Molar mass is the mass of one stable molecule of a compound, that cannot join with another molecule of the same kind to form a new one, while an empirical formula is the molecular formula in its simplest form. E.g. empirical formula of ethene is CH2while its molecular formula is C2H4.
8 0
3 years ago
Be sure to answer all parts. Consider the reaction N2(g) + 3H2(g) → 2NH3(g)ΔH o rxn = −92.6 kJ/mol If 3.0 moles of N2 react with
Alex787 [66]

Answer:

Work done in Joules = -14865.432J

ΔU = -262.94KJ

Explanation:

The steps are as shown in the attachment

6 0
3 years ago
A sodium atom has a mass number of 23. Its atomic number is 11. How many electrons does a neutral sodium atom have?
NemiM [27]

Answer:

it contains 11 electrons

Explanation:

4 0
3 years ago
3 ways to use electric current
pochemuha
A outlet,electrical,batteries
4 0
3 years ago
Other questions:
  • At constant temperature, 534 mL of a gas at 894 torr is compressed to 167 mL What is the new pressure in atmospheres?
    13·2 answers
  • 1. Butane has a chemical formula CH4H10. The equation 2C4H10 + 13O2 → 8CO2 + 10H2O represents which of these?
    13·1 answer
  • Find the density of a sample that has a volume of 36.5L and a mass of 10.0kg
    6·1 answer
  • Consider the following reaction mechanism.
    7·2 answers
  • Skill and
    15·1 answer
  • During a laboratory experiment, 46.54 grams of Al2O3 was formed when O2 reacted with aluminum metal at 300.0 K and 1.2 atm. What
    8·1 answer
  • Water vapor is the way to describe which form of water?
    13·1 answer
  • Answer is +25 !!!!!! F.... <br> Dont pay
    11·1 answer
  • What is the complete ionic equation for the reaction between Na2SO4 and
    10·1 answer
  • What is the difference between ethanol and methanol.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!