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vfiekz [6]
2 years ago
6

Balance the following chemical reaction: _NaOH + _H2SO4 ----->_Na2SO4 +_H20

Chemistry
1 answer:
Dima020 [189]2 years ago
8 0

Answer:

Sodium Hydroxide + Sulfuric Acid = Sodium Sulfate + Water

2NaOH + H2SO4 → Na2SO4 + 2H2O

Explanation:

To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. The balanced equation will appear above.

Use uppercase for the first character in the element and lowercase for the second character. Examples: Fe, Au, Co, Br, C, O, N, F.

Ionic charges are not yet supported and will be ignored.

Replace immutable groups in compounds to avoid ambiguity. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will.

Compound states [like (s) (aq) or (g)] are not required.

You can use parenthesis () or brackets [].

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skelet666 [1.2K]

Answer:

(ii) 1 dye

(iii) Food coloring F is insoluble in the solvent

(iv) 'E' and 'H'

(b) Food colouring G

Explanation:

Paper chromatography principle is based on the rates of migration of chemicals across a sheet of paper which are different and it consists of a stationary phase such as the water in the paper and a mobile phase such as the solvent resulting in the partitioning of the components of the mixture across the paper

The solution components are positioned to start in one place from where they migrate and separate out on the chromatography paper

(ii) The number of components into which the food colouring 'H' separates into = 1

Therefore, the number of dyes in food colouring 'H' = 1 dye

(iii) Food coloring 'F' does not move because it is insoluble in the solvent, which is the mobile phase

(iv) The food colouring that contains the dye that is likely to be most soluble in the solvent are does for which the dyes travel furthest, which are;

Food coloring 'E' and 'H'

(b) Using a similar question solution found on 'tutor my self' website, we have;

The R_f values are given as follows;

R_f = \dfrac{Distance \ moved \ by \ dye}{Distance \ moved \ by \ solvent}

The distance moved by the solvent = 5 units

The distance moved by dyes in food colouring 'E' and 'H' = 4 units

The distance moved by dye in food colouring 'G' = 3.3 units

The distance moved by the second dye in food colouring 'E' = 2.7 units

By inspection, we get;

R_f dye in food colouring 'G' = 3.3/5 = 0.66,

Therefore, the dye with R_f value closest to 0.67 is the dye in food colouring 'G'.

5 0
3 years ago
What is the noble-gas electron configuration for bromine?
marshall27 [118]
My Answer: (Ar) 3d10 4s2 4p5

Hope I helped! :D
5 0
3 years ago
What colors would an artificial plant-growth light favor to promote plant growth effectively?
Semenov [28]
Red and blue but im not sure abt the percentage.
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3 years ago
Alum used in cooking is potassium aluminum sulfate hydrate, KAl(SO4)2. XH2O. To find the value of X, you can heat the sample of
kolbaska11 [484]

Answer:

The answer is given below in the picture

Explanation:please check it

6 0
3 years ago
Question 1 (4 points)
lutik1710 [3]

B= CH2O

empirical formula using the simplest ratio of atoms in the compound

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