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ella [17]
3 years ago
11

Will mark brainliest if solved correctly.

Chemistry
2 answers:
Kamila [148]3 years ago
6 0

Answer:

The answers for the questions are in the picture.

rusak2 [61]3 years ago
4 0

Answer:0.25M

Moles

Explanation:

In a solution of 2.0 litres

The mole of kno3= reacting mass/molar mass

Reacting mass = 56

Molar mass =101

Substituting the values

Mole= 56/101*2

Mole 0.25M

Number 2

N= CV

C= concentration

V=volume

N= 3*2230/1000

N= 6690/1000

N= 6.69

N=6.7moles

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\text{Rate}=k[HgCl_2]^a[C_2O_4^{2-}]^b

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a = order with respect to HgCl_2

b = order with respect to C_2O_4^{2-}

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3.2\times 10^{-5}=k(0.164)^a(0.15)^b  ....(1)

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2.9\times 10^{-4}=k(0.164)^a(0.45)^b  ....(2)

Expression for rate law for third observation:

1.4\times 10^{-4}=k(0.082)^a(0.45)^b  ....(3)

Expression for rate law for fourth observation:

4.8\times 10^{-5}=k(0.246)^a(0.15)^b  ....(4)  

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Thus, the rate law becomes:

\text{Rate}=k[HgCl_2]^1[C_2O_4^{2-}]^2

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The 6 is small and will be placed in top but I don't have the option that's why I wrote like that

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