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
ira [324]
4 years ago
5

Write the ions present in a solution of na2co3. express your answers as chemical formulas separated by a comma. offset subscript

s and charges on each ion.
Chemistry
2 answers:
lozanna [386]4 years ago
5 0

Answer : The ions present in a solution of Na_2CO_3 are, Na^+,CO_3^{2-}

Explanation :

As we know that in an aqueous solution, the compound is dissociated into ions.

The given compound is, Na_2CO_3.

When Na_2CO_3 is dissolved in an aqueous solution then it dissociates into sodium ion (Na^+) and carbonate ion (CO_3^{2-}).

The balanced chemical reaction will be :

Na_2CO_3(aq)\rightarrow 2Na^+(aq)+CO_3^{2-}(aq)

Hence, the ions present in a solution of Na_2CO_3 are, Na^+,CO_3^{2-}

Andrei [34K]4 years ago
4 0
Na₂CO₃ → 2Na⁺ + CO₃²⁻

CO₃²⁻ + H₂O ⇄ HCO₃⁻ + OH⁻

HCO₃⁻ + H₂O ⇄ CO₂·H₂O + OH⁻

Na⁺, CO₃²⁻, HCO₃⁻, OH⁻
You might be interested in
This elememt derived its name from the latin​
aniked [119]
There are many elements with a Latin name such as sodium, iron, potassium which all of their symbols refer to their Latin name, hope this helps.
7 0
4 years ago
Air is made up mostly of O2, N2, and CO2. If the total pressure of air is 765mmHg and P(N2) = 0.79 atm and P(CO2) = 0.05 atm, th
Mrac [35]

Answer:

the partial pressure of the O2 is 0.167 atm

Explanation:

The computation of the partial pressure of the O2 is shown below:

As we know that

P = P_N2 + P_O2 + P_CO2

P_O2 = P - P_N2 -  P_CO2

= (1.007 - 0.79 - 0.05)

= 0.167 atm

Hence, the partial pressure of the O2 is 0.167 atm

we simply applied the above formula

5 0
3 years ago
The Ksp of CaF2 is 4.0 x 10-11. What is the solubility of CaF2 in 0.10 M Ca(NO3)2? Give your answer using scientific notation an
Ilya [14]

Answer:

1.0\times 10^{-5} M is the solubility of CaF_2 in 0.10 M Ca(NO_3)_2.

Explanation:

Concentration of calcium nitrate = [Ca(NO_3)_2]=0.10 M

Ca(NO_3)_2\rightarrow Ca^{2+}+2NO_3^{-}

[Ca(NO_3)_2]=0.10 M=[Ca^{2+}]

Solubility product of the calcium fluoride = K_{sp}=4.0\times 10^{-11}

Solubility of calcium fluoride in calcium nitrate solution :

CaF_2\rightleftharpoons Ca^{2+}+2F^-

            (0.10+S)   (2S)

The expression of solubility is given by :

K_{sp}=[Ca^{2+}][F^-]^2

4.0\times 10^{-11}=(S+0.10)(2S)^2

Solving for S:

S=1.0\times 10^{-5} M

1.0\times 10^{-5} M is the solubility of CaF_2 in 0.10 M Ca(NO_3)_2.

3 0
3 years ago
1. Calculate the quantity of glucose needed to prepare (a) 250 mL of a 100 mM of
weeeeeb [17]

Answer:

a. mass of glucose required = 4.50 g

b. mass of glucose required = 0.05 g

c. mass of glucose required = 25g

Explanation:

1a. molar mass of glucose = 180.156 g/mol

volume of solution = 250 mL or 250 mL * 1 L/1000 mL = 0.25 L

concentration of solution = 100 mM or 100mM * 1 M/1000 mM = 0.10 M

amount in moles = mass/ molar mass = concentration * volume

mass in grams = concentration * volume * molar mass

mass = 0.10 * 0.25 * 180.156

mass of glucose required = 4.50 g

b. mass concentration of 0.05 % solution = 0.05 g/100 ml = 0.5 g/L

volume of solution = 100 mL = 0.1 L

mass in grams = mass concentration * volume

mass in grams =  0.5 g/L * 0.1 L

mass of glucose required = 0.05 g

c. mass concentration of solution = 50 mg/ mL = 0.05 g/ 0.001 L = 50 g/L

volume of solution = 500 mL = 0.5 L

mass of solute required = concentration * volume

mass required = 50 g/L * 0.5 L

mass of glucose required = 25g

7 0
3 years ago
Please Help! I just started balancing equations and my teacher gave me this. Thanks in advance! :D
Alenkasestr [34]
So you need to put numbers before each compound to make sure there are the exact same number of elements on each side. If you put a 4 before NH4 there are 4 Nitrogen and now 16 hydrogen. I just played around with numbers and guessed until I got them even.
8 0
3 years ago
Read 2 more answers
Other questions:
  • A beaker contains two liquids, water and carbon tetrachloride. which liquid is floating on top?
    8·1 answer
  • What natural resources are used to make chloroquine?
    5·1 answer
  • Calculate the RF value - Distance travelled by substance x=5cm Distance travelled by solvent = 13cm
    12·1 answer
  • What would a substance that could undergo condensation polymerization most likely have?
    11·2 answers
  • Solubility is a measure of how well a solute can dissolve in a solvent at a given temperature. true or false
    11·1 answer
  • Please answer this I need it answered really soon thank you so much whoever answers this and I will give BRAINLIEST!!
    11·2 answers
  • How many moles are contained in .984 molecules F2?
    15·1 answer
  • Sally has touched a hot pan on the stove and burnt her hand. This example shows what type of heat transfer?
    12·1 answer
  • How many methods of heat transfer are there<br>​
    12·2 answers
  • A compound consists of 75% magnesium and 25% oxygen. Find the empirical formula.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!