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
Vera_Pavlovna [14]
2 years ago
5

200 g of solid sodium hydroxide (NaOH) are dissolved in 750 mL of water. What is the concentration of this solution?

Chemistry
1 answer:
Anastaziya [24]2 years ago
8 0

Answer:

6.67 M

Explanation:

Molarity = \frac{mol}{L}

<em>Convert 200g NaOH to moles. Convert 750 mL to L.</em>

200 g NaOH x (1 mol/39.998 g) = 5.00025... mol NaOH

750 mL x (1 L/1000 mL) = 0.750 L

<em>Substitute values into the equation.</em>

Molarity = \frac{5.00025}{0.750}

Molarity = 6.667... M

Molarity = 6.67 M

You might be interested in
What is the mole ratio of the following equation?
Liono4ka [1.6K]
The mole ratio would be 2:2:2
7 0
2 years ago
Jim, Jill, Robert, and Kim each run paper chromatography on an unknown aqueous mixture. Jim gets a red band and a blue band, Jil
Romashka-Z-Leto [24]

Answer:

Robert

Explanation:

There is not more than one colour

4 0
2 years ago
How is the mass of 1 mole of an element determined? O A. It is equal to the atomic mass times Avogadro's number. O B. It is the
evablogger [386]

Answer:

Avogadro's number is the number of particles in one mole of anything. In this context, it is the number of atoms in one mole of an element. It's easy to find the mass of a single atom using Avogadro's number. Simply divide the relative atomic mass of the element by Avogadro's number to get the answer in grams.

4 0
2 years ago
B vitamins are a group of water soluble compounds that are important in cell metabolism. Each one has a different chemical struc
Tom [10]

Molar mass of vitamin B1, C12H17N4OS = 265.34 g/ mol

Molar mass of vitamin B2, C17H20N4O6 = 376.37 g/ mol

Molar mass of vitamin B5, C9H17NO5 = 219.24 g/ mol

Molar mass of vitamin B6, C8H11NO3 = 169.18 g/ mol

Molar mass of vitamin B7, C10H16N2O3S = 244.31 g/ mol

Now,

Order of increasing molar mass = B6 < B5 < B7 < B1 < B2

7 0
3 years ago
What happens during meiosis that does NOT happen during mitosis?
Furkat [3]

Answer:

B. two rounds of cell division

4 0
2 years ago
Read 2 more answers
Other questions:
  • Anouk does 150 J of work using a hammer to pull a nail out of a piece of wood, and the hammer does 105 J of work on the nail. Wh
    10·2 answers
  • Describe one experiment that could be carried out to determine which chemical reaction, decomposition, dimerization, or racemiza
    6·1 answer
  • If the following are energy returned on investment (EROI) ratios for particular energy sources, which of the following is the mo
    13·1 answer
  • Find the mass of (1) potassium which contains the same number of atoms as 5g of zinc and (2) iron which contains the same number
    10·1 answer
  • How many milliliter of a solution of 4.00KI are needed to prepare 250.0mL of 0.760 KI
    14·1 answer
  • Which of the following is an example of a genetically modified crop?
    15·2 answers
  • Greenhouse effect is warming due to
    15·1 answer
  • Identify whether each of these hydrocarbons is saturated or unsaturated Place an "S" for "saturated"
    15·1 answer
  • A student wrote The Following hypothesis if more salt is added to a hypothesis
    11·1 answer
  • Order the atoms from largest to smallest: Cs , Si , Sn .
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!