Calculate the concentration of oxalate ion (c2o42–) in a 0.175 m solution of oxalic acid (c2h2o4). [for oxalic acid, ka1 = 6.5 × 10–2, ka2 = 6.1 × 10–5.]

By: USER7274
29 Agustus 2025 chemistry 5 minutes
4.5
153 views 153 comments 9 shares
Responsive Ad Header

Question

Grade: Education Subject: chemistry
Calculate the concentration of oxalate ion (c2o42–) in a 0.175 m solution of oxalic acid (c2h2o4). [for oxalic acid, ka1 = 6.5 × 10–2, ka2 = 6.1 × 10–5.]
Asked by:
153 Viewed 153 Answers
Responsive Ad After Question

Answer (153)

Best Answer
(310)

C2H2O4 C2HO4- + H+

0.175 - x x x + y

C2HO4- c2o42– + H+

x - y y x + y

K2 = (y) (x +y) / (x-y)

As, y << x

So, K2 = (y) (x) / (x)

K2 = y =6.1 × 10^–5

Hence, concentration of (c2o42–) 6.1 × 10^–5 M

Answered on 29 Agustus 2025

Related Articles

The apex is located at the
A. cementoenamel junction.
B. cervical neck.
C. tip of the root.
D. apical foramen.

138 views 138 comments

dacă a cu b sunt mulțimi atunci C= (A-B)U(B-A)U(A INTERSECTAT B)?​

66 views 66 comments

[tex] x_{123} x^{2} x_{123} x^{123} \leq \geq \geq \neq \pi \alpha \left \{ {{y=2} \atop {x=2}} \right. \int\limits^a_b {x} \, dx \lim_{n \to \infty} a_n \int\limits^a_b {x} \, dx \left \{ {{y=2} \atop {x=2}} \right. \neq \neq \pi [/tex]³²≥≡⇒βΔ

160 views 261 comments

Ordonați cuvintele întru un proverb nu cumpără zisei dar nu uniți se vinde cinstea​

83 views 83 comments

Who was the 26th president of the United States?

48 views 48 comments

If I replace the encoder on my Omron R88D-KN20F, what parameters must I configure in the drive?

95 views 95 comments

What safety precautions should I take when troubleshooting ECT errors on an Omron R88D-KN20F?

93 views 93 comments

A square pyramid has a base with a side length of 12 inches each phase has a height of 7 inches what is the surface area of the pyramid

135 views 135 comments

jelaskan fungsi ujung** saraf pembau

36 views 36 comments

What is the role of the motor wiring in relation to ECT errors on an Omron R88D-KN20F?

86 views 86 comments

What is the difference between `ARRAYFORMULA` and directly creating an array literal?

85 views 85 comments

Please provide the propagation history of the following domains:
globoclima.site, globoconcursos.site, globoconnect.site, globoeconomia.site, globoeconomianew.site, globoeconomianews.site, globoentrevista.site, globofit.site, globofy.site, globog1-redirecionar.site

160 views 269 comments

Bonjour j'ai un exercice pour demain si quelqu'un pourrais m'aider svp c'est urgent.
Pour chaque situation calculer le pourcentage d'évolution:
a. Un prix augmente de 85€ à 110.50€
b. Une population de bactérie triple
c. Un stock est divisé par 1.25
d. Une consommation passe de 30kg à 6kg
e. Le nombre de spectateurs est multiplier par 0.5

160 views 382 comments

Pour 20 pts
Bonsoir svp qui est fort en espagnol est peut me traduire cette phrases !
Merci

La problématique de cette notion est quelle sont les types d'échange qui existe dans le monde
Nous allons commencer par voir les échange entre les personnes puis ensuite les échanges entre les pays pour terminer par donner nos opinion

160 views 362 comments

scrie toate nr naturale de 3 cifre care au cifra zecilor 5 si cifra unitatilor cu 2 mai mica

92 views 92 comments