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
neonofarm [45]
3 years ago
12

The following reaction shows sodium hydroxide reacting with sulfuric acid.

Chemistry
2 answers:
amm18123 years ago
6 0

its answer is 35.5 grams

OverLord2011 [107]3 years ago
4 0

<u>Answer:</u> The mass of Na_2SO_4 produced will be 17.8 grams.

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}  ....(1)

<u>For Sodium hydroxide:</u>

Given mass of sodium hydroxide = 10 g

Molar mass of NaOH=[(1\times 22.989)+(1\times 15.999)+(1\times 1.008)]g/mol=39.996g/mol

Putting values in above equation, we get:  

\text{Moles of sodium hydroxide}=\frac{10g}{39.996g/mol}=0.25mol

For the given chemical equation:

2NaOH+H_2SO_4\rightarrow Na_2SO_4+2H_2O

By Stoichiometry of the reaction:

2 moles of sodium hydroxide produces 1 mole of sodium sulfate.

So, 0.25 moles of sodium hydroxide will produce = \frac{1}{2}\times 0.25=0.125moles of sodium sulfate.

Now, to calculate the mass of sodium sulfate, we use equation 1:

Moles of sodium sulfate = 0.125 moles

Molar mass of Na_2SO_4=[(2\times 22.989)+(1\times 32.065)+(4\times 15.999)]g/mol=142.039g/mol

Putting values in equation 1, we get:

0.125mol=\frac{\text{Mass of }Na_2SO_4}{142.039g/mol}\\\\\text{Moles of }Na_2SO_4=17.8g

Hence, the mass of Na_2SO_4 produced will be 17.8 grams.

You might be interested in
If the reduction reaction has a reduction potential of 0.1 V, and the oxidation reaction has a reduction potential of -0.4V, and
aleksley [76]

Answer : The value of ΔG expressed in terms of F is, -1 F

Explanation :

First we have to calculate the standard electrode potential of the cell.

E^o=E^o_{cathode}-E^o_{anode}

or,

E^o=E^o_{reduction}-E^o_{oxidation}

E^o=(0.1V)-(-0.4V)=+0.5V

Now we have to calculate the standard cell potential.

Formula used :

\Delta G^o=-nFE^o

where,

\Delta G^o = Gibbs free energy = ?

n = number of electrons = 2

F = Faraday constant

E^o = standard e.m.f of cell = +0.5 V

Now put all the given values in this formula, we get the Gibbs free energy.

\Delta G^o=-(2\times F\times 0.5)

\Delta G^o=-1F

Therefore, the value of ΔG expressed in terms of F is, -1 F

5 0
3 years ago
Which of the following do you pracrice at home​
S_A_V [24]
You didn’t post the photo or full question
8 0
2 years ago
PLEASE HELP!! A gas has a volume of 7.9 L at a temperature of 222. K and pressure of 877 mmHg. What is the new temperature (in C
Natali5045456 [20]

Answer:

82.97 K

Explanation:

Applying,

PV/T = P'V'/T'................ Equation 1

Where P = initial pressure, T = Initial temperature, V = Initial Volume, P' = Final pressure, V' = Final Volume, T' = Final Temperature.

Make T' the subject of formula in equation 1

T' = P'V'T/PV................ Equation 2

From the question,

Given: P = 877 mmHg = (877×0.001316) atm = 1.154 atm, T = 222.2 K, V = 7.9 L, P' = 0.327 atm, V' = 10.41 L

Substitute these values into equation 2

T' = (0.327×10.41×222.2)/(1.154×7.9)

T' = 82.97 K

Hence the new temperature is 82.97 K

7 0
3 years ago
You are trying to determine the volume of the balloon needed to match the density of the air in the lab. You know that if you ca
9966 [12]

To solve this problem, we must be given first the density of air at 20 degrees Celsius. Looking up online, this is equal to:

density air (20C) = 0.0012041 g/mL

so that the volume is:

volume balloon = 0.57 g / (0.0012041 g/mL)

<span>volume balloon = 473.38 mL</span>

5 0
3 years ago
He partial lewis structure that follows is for a hydrocarbon molecule. in the full lewis structure, each carbon atom satisfies t
Bezzdna [24]

Answer:

Four (4) hydrogen atoms

Explanation:

C=C-C(triple bond)C

only four hydrogen atoms can bond with the vacant space

6 0
3 years ago
Read 2 more answers
Other questions:
  • If a 0.75 mole sample of helium gas occupies a volume of 1.5 l, what volume will a 1.2 mole sample of gas occupy at the same tem
    6·1 answer
  • Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties? Sr, Te Ga,
    11·1 answer
  • How might an increasing population of robins positively and negatively affect a community?
    12·1 answer
  • At 25.0 ° C, a 10.00 L vessel is filled with 5.25 moles of Gas A and 7.05 moles of Gas B. What is the total pressure?
    9·1 answer
  • What do you understand by shared pair of electron ​
    7·1 answer
  • Write the complete balanced equation for the neutralization reaction that occurs when aqueous hydroiodic acid, HI, and sodium hy
    14·1 answer
  • What are some examples of endothermic and exothermic reactions?
    7·2 answers
  • Why is steam distillation prefered over fractional distillation for the extraction of essencial oils?​
    14·1 answer
  • What causes the biggest change mass or speed?
    12·1 answer
  • How is the polarity of water important for transpiration?.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!