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
jekas [21]
3 years ago
11

40.00 grams of NaOH is added into distilled water and diluted with water to 1000mL of final volume. What is the final concentrat

ion of the NaOH
Chemistry
1 answer:
tatyana61 [14]3 years ago
7 0

Answer:

The molar mass of NaOH is 40.00 g/mol.

The number of moles of NaOH is equal to the ratio of its mass to molar mass.

The number of moles of NaOH =

40 g/mol

40 g

​

=1,000 mol

The molarity of NaOH solution is the ratio of number of moles of NaOH to total volume of solution in L.

M=

1 L

1 mol

​

=1 M

Explanation ;)

You might be interested in
Can someone help me
harina [27]

11 LIMITING react this is the answer

7 0
3 years ago
All cells in living organisms undergo cellular respiration. The chemical reaction for cellular respiration is stated below. (Glu
Ne4ueva [31]

Answer : The total mass of carbon dioxide and water produced will be, 65.7 grams.

Explanation :

Law of conservation of mass : It states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form.

This also means that total mass on the reactant side must be equal to the total mass on the product side.

The balanced chemical reaction will be,

C_6H_{12}O_6+6O_2\rightarrow 6CO_2+6H_2O

According to the law of conservation of mass,

Total mass of reactant side = Total mass of product side

Total mass of C_6H_{12}O_6+6O_2 = Total mass of 6CO_2+6H_2O

As we are given :

Total mass of C_6H_{12}O_6+6O_2 = 65.7 grams

So,

65.7 grams = Total mass of 6CO_2+6H_2O

Therefore, the total mass of carbon dioxide and water produced will be, 65.7 grams.

4 0
4 years ago
Sean drew this diagram and labeled an unknown gas A. Which gas does A represent?
Aneli [31]

The Correct answer is Carbon dioxide CO2.


The Explanation:


according to the diagram:


we can see that the arrows which going to A are from:


1- respirition of the tree . and the CO2 gas is the result and produced gas from respiration.


2- The Combustion went from Home : and the CO2 gas is also the produced gas from the combustion process.


∴ (A) refers to CO2 (carbon dioxide) gas.

4 0
4 years ago
Read 2 more answers
A cup holding 125.12g of water has an initial temperature of 26.8 degrees C. After a 35.08g piece of metal, at 99.5 degrees C, i
nignag [31]
<h3>Answer:</h3>

0.620 J/g°C

<h3>Explanation:</h3>

Heat gained or absorbed, Q by a substance is calculated by;

Q = mass × specific heat capacity × Change in temperature

In this case we are given;

  • Mass of water = 125.12 g
  • Initial temperature of water = 26.8 °C
  • Initial temperature of the metal = 99.5°C
  • Final temperature of the mixture = 29.7 °C

We are required to calculate the specific heat capacity of the metal;

<h3>Step 1 : Heat absorbed by water </h3>

Specific heat capacity of water = 4.184 J/g°C

Temperature change of water = 29.7 °C - 26.8°C

                                                   = 2.9 °C

But, Q = m×c×ΔT

Thus, Heat = 125.12 g × 2.9°C × 4.184 J/g°C

                  = 1518.156 Joules

<h3>Step 2; Heat lost by the metal </h3>

Specific heat capacity of the metal = x J/g°C

Temperature change of the metal = 29.7 °C - 99.5°C

                                                         = -69.8 °C

But, Q = mcΔT

Therefore;

Heat lost by the meatl = 35.08 g × x J/g°C × 69.8 °C

                                     = 2.448.584x Joules

<h3>Step 3: C;aculating the specific heat capacity of the metal </h3>

The heat gained by water is equal to the heat lost by the metal

Therefore;

1518.156 Joules = 2.448.584x Joules

x = 1518.156 J ÷ 2.448.584 J

   = 0.620 J/g°C

Therefore, the specific heat of the metal is 0.620 J/g°C

8 0
4 years ago
Rhett is solving the quadratic equation 0= x2 – 2x – 3 using the quadratic formula. Which shows the correct substitution of the
bekas [8.4K]
The correct values I believe would be a=1 b=-2 and c=-3.
8 0
3 years ago
Other questions:
  • Equal masses (in grams) of hydrogen gas and oxygen gas are reacted to form water. Which substance is limiting?
    12·2 answers
  • For the following reaction KClO4 → KCl + 2O2 Assign oxidation states to each element on each side of the equation.
    9·1 answer
  • 5.00 ml of commercial bleach was diluted to 100.0 ml. 25.0 ml of the diluted sample was titrated with 4.56 ml of 0.100 m s2o3 2-
    15·1 answer
  • Which of the following shows a correct base pairing in DNA
    15·1 answer
  • How is the atomic number related to core electrons?
    7·1 answer
  • M
    13·1 answer
  • Fill in the boxes with the product of the following reactions. Draw only the major product or products and indicate stereochemis
    5·1 answer
  • A certain atom contains 53 protons, 66 neutrons, and 51 electrons. What is the mass number of this atom?
    13·1 answer
  • Identify each of the following reactions as balanced or unbalanced
    7·2 answers
  • What mass of oxygen reacts during the incomplete combustion of 18.0 g of propane?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!