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
irakobra [83]
3 years ago
5

The sample concentration was measured at 50mg/ml. The loading concentration needs to be 10mg/ml. The final volume needs to be 25

ul. What is the volume of sample needed and the amount of buffer needed to reach 25ul
Chemistry
1 answer:
Svet_ta [14]3 years ago
3 0

Answer:

a)  V_1=5ul

b)  v=20ul

Explanation:

From the question we are told that:

initial Concentration C_1=50mg/ml

Final Concentration C_2=10mg/ml

Final volume needs V_2 =25ul

Generally the equation for Volume is mathematically given by

C_1V_1=C_2V_2

V_1=\frac{C_1V_1}{C_2}

V_1=\frac{10*25}{50}

V_1=5ul

Therefore

The volume of buffer needed is

v=V_2-V_1\\\\v=25-5

v=20ul

You might be interested in
You have a cup of hot water and you dissolve as much salt in it as possible. You then put the cup into the refrigerator and you
hoa [83]
Some of the salt would settle out. When the water was heated, it was able to absorb more salt than usual. This is known as super saturation. When the water is frozen it cannot hold as much salt, so some of it has to come out.
6 0
3 years ago
Read 2 more answers
How many oxygen molecules are needed to make 10 carbon dioxide molecules according to the following balanced chemical equation?
11Alexandr11 [23.1K]
<h2 /><h2 /><h2>answer.</h2>

five oxygen molecules

step by step explanation.

according to the equation,one molecule of oxygen is enough to react with two carbon molecules thus 10 carbon molecules need 5oxygen molecules

6 0
3 years ago
In which liquid does solid brass float?
ch4aika [34]

Answer:

A

Explanation:

6 0
3 years ago
Read 2 more answers
Which expression is equivalent to 6m + (m - 2)(m + 7) + 3?
dedylja [7]
It’s is m2 +11m-11
I believe that’s right
8 0
3 years ago
What is the mass in grams of 5.00moles of CH4?
anastassius [24]

Answer:

1. 80g

2. 1.188mole

Explanation:

1. We'll begin by obtaining the molar mass of CH4. This is illustrated below:

Molar Mass of CH4 = 12 + (4x1) = 12 + 4 = 16g/mol

Number of mole of CH4 from the question = 5 moles

Mass of CH4 =?

Mass = number of mole x molar Mass

Mass of CH4 = 5 x 16

Mass of CH4 = 80g

2. Mass of O2 from the question = 38g

Molar Mass of O2 = 16x2 = 32g/mol

Number of mole O2 =?

Number of mole = Mass /Molar Mass

Number of mole of O2 = 38/32

Number of mole of O2 = 1.188mole

6 0
3 years ago
Other questions:
  • For the following reaction, identify the element that was oxidized, the element that was reduced, and the reducing agent. Give a
    10·1 answer
  • Which is true of a molecule?
    12·1 answer
  • The combustion of 1.00 mol of glucose, C6H12O6, releases 2820 kJ of heat. If 2.0 g of glucose is burned in a calorimeter contain
    15·1 answer
  • Two advantages of using hydrogen to fuel cars
    9·1 answer
  • Suppose you need to built a raft to cross a fast-moving river. Describe the physical and chemical properties of that raft that w
    9·1 answer
  • What is the collection of protons and neutrons in the center of an atom called
    8·2 answers
  • What does sound travel slowest through? Rock, Steel, Air, or Water?
    12·2 answers
  • A gas sample is held at constant pressure. The gas occupies 2.97 L of volume when the temperature is 21.6°C. Determine the tempe
    6·1 answer
  • Given that a 3cm lenght of magnesium weights approximately 0.04g, calculate the number of moles of acid that reacted with the 9c
    11·1 answer
  • A case of paper has a mass of 2000 g. A case of paper contains 10 reams of paper. One ream of paper is 500 sheets. What is the m
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!