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zheka24 [161]
3 years ago
12

How many grams of solid sodium cyanide should be added to 1.50 L of a 0.175 M hydrocyanic acid solution to prepare a buffer with

a pH of 10.210?
Chemistry
1 answer:
marshall27 [118]3 years ago
7 0
I have -12 points thx a lot
✋⛔️ ❔
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The chemical formula is I2F9

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it causes alot of harm to the earth.

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Please help fast, I will give brainliest!
miss Akunina [59]
I think it’s 20 mol
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Match the following descriptions with the correct polysaccharide, note if you answer any part of this question incorrectly a sig
Ad libitum [116K]

Answer:

Glycogen. Cellulose. Amylose. Cellulose. Amylopetin and Glycogen. Amylopetin and Cellulose.

Explanation:

Glycogen is the form that glucose is stored in human body.

Cellulose is the structural part of plant cell walls and human cannot digest it.

Amylose is the polysaccharide linked mainly by the the bonds of \alpha 1,4 glycosidic.

Cellulose is an unbranched polysaccharide linked mainly by the bonds of  \beta 1,4 glycosidic.

Amylopetin and Glycogen are branched polysaccharides linked by the bonds of \alpha 1,4 glycosidic and \alpha 1,6 glycosidic.

Amylopetin and Cellulose are mainly stored in plants.

4 0
3 years ago
A solution is made by dissolving 4.8 moles of salt in 1.6L of solution. What is the molarity
goldenfox [79]

Answer:

3M

Explanation:

moles ÷ liters = molarity

4.8 ÷ 1.6 = 3M

3 0
3 years ago
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