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
SpyIntel [72]
3 years ago
15

Please answer asap MUCH NEEDED!!

Chemistry
1 answer:
gulaghasi [49]3 years ago
3 0

Answer:

I think its C I am sorry if I am wrong

You might be interested in
Q2.  0.254 g of KHP (204 g/mol) titrated against 20.0 mL of unknown NaOH (40.0 g/mol) solution to get the end point of phenolpht
Vera_Pavlovna [14]

Answer:

<u>Mass concentration (g/L) </u><u><em>= 2.49g/L.</em></u>

Explanation:

No. of moles = \frac{mass}{molar mass}

= \frac{0.254}{204} = 0.001245 moles

Concentration of KHP (C1) in litres = n/v

= \frac{0.001245}{0.02} = 0.062 mol/L

We know that:

C_{1} V_{1} = C_{2} V_{2}

where c1v1 and c2v2 are the products of concentration and volumes of KHP and NaOH respectively.

Since mole ratio is 1 : 1.

1 mole of NaOH - 40g

0.001245 mole of NaOH = 40 × 0.001245 = 0.0498g

⇒0.0498g of NaOH was used during the titration

<u><em>∴Mass concentration (g/L) = 0.0498g ÷ 0.02L</em></u>

<u><em>= 2.49g/L.</em></u>

3 0
3 years ago
The process though which animals and plants produce offspring
ki77a [65]

Answer:

reproduction

Explanation:

can be asexual or sexual

7 0
2 years ago
A solution (HELP ASSAAAAP ROAD TO GRADUATION)
creativ13 [48]

Hey there! A simple explanation is below.

Answer:

D) is a single phase homogeneous mixture.

Explanation:

A solution is a form of homogenous combination made up of two or more components in chemistry. A solute is a material that is dissolved in another material, known as a solvent, in such a combination. The mixing of a solution takes place at a scale where the effects of chemical polarity are present, resulting in solvation-specific interactions. In most cases, the solution is in the condition of the solvent, because it is most common in the mixture.

3 0
3 years ago
After the solution reaches equilibrium, what concentration of zn2 (aq remains?
Fantom [35]
According to sources, the most probable answer to this query is that when solutions reaches equilibrium, the amount of concentration of two or more matter combined in this solution becomes equal. 

Thank you for your question. Please don't hesitate to ask in Brainly your queries. 
8 0
3 years ago
For the reaction shown, drsw the major(s) expected product.​
Andru [333]

Answer:

2

Explanation:

4 0
3 years ago
Other questions:
  • what is the approximate area of a regular pentagon with a side lenghtt of 6 feet and a distance from the center to a vertex of 6
    7·1 answer
  • What is the relationship between molar mass in grams per mole (g/mol) and average atomic mass in amu of each element?
    14·1 answer
  • What is the molarity of a solution containing 8.0 moles of solute in 120mL of solution?
    10·1 answer
  • At constant temperature, if a gas occupies 312 mL at a pressure of 1.60 atm, what pressure is necessary for this gas to occupy a
    12·1 answer
  • What type of matter is salt water?
    10·1 answer
  • An aluminum bar was found to have a mass of 27g. Using water displacement, the volume was measured to be 10 ml. What is the dens
    11·1 answer
  • If a solution is saturated, which of these is true?
    14·2 answers
  • For "gas in liquid solution", which of the following will act as a solute?
    12·1 answer
  • What is the most abundant element on Earth?
    8·1 answer
  • CaCo3+2HCL Cacl2+h2o+co2
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!