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3 years ago

Describe how to separate a mixture of sugar and water.

2 answers:

4 0

Evaporation can separate sugar and water the water will evaporate leaving you a sugar a dried up sugar scrub at the bottom of the pan how to evaporate you can put the sugar water on a pan and boil it well water evaporates leaving it to boil for a long time low back route the water to leave you with only sugar

Nonamiya [84]3 years ago

3 0

Let the water evaporate and you'll be left with the sugar, or boil the water and collect the steam. the sugar will be left in the container you boiled the water in and you'll still have the water from the steam.

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gypsum is insoluble in water. you are asked to purify a sample of gypsum that is contaminated with a soluble salt.

katen-ka-za [31]

Answer:

a. The apparatus required to purify gypsum sample are: Bunsen burner, beaker, Filter Funnel, stirring rod, the filter paper.

b. Gypsum is a sulfate mineral that is made up of calcium sulfate dihydrate. Step-by-step instruction to purify gypsum sample is as follows:

1. Add water to the gypsum sample in a beaker.

2. Use the stirring rod to mix the mixture well.

3. Filter off the excess solid from the mixture using the filter paper and filter funnel.

4. Put the filtered mixture over the bunsen burner and evaporate the excess water from the mixture.

5. Allow the hot liquid to cool down and filter it again through the filter paper to get the pure gypsum.

7 0

2 years ago

Write a balanced equation for each of these chemical reactions potassium phosphate + calcium nitrate

cupoosta [38]

It forms <span>calcium phosphate and potassium nitrate
</span>2 K3PO4 + 3Ca(NO3)2 --> Ca3(PO4)2 + 6KNO3

7 0

3 years ago

Plz help :(

ziro4ka [17]

<h2>Answer:0.5 moles,1 mole</h2>

Explanation:

$Sr(NO_{3})_{2}$ is readily soluble in water.

$Sr(NO_{3})_{2}$ dissolves in water to give $Sr^{2+}$ ions and $NO_{3}^{-}$ ions.

The reaction is

$Sr(NO_{3})_{2}$ → $Sr^{2+}$ $+2NO_{3}^{-}$

So, $1$ mole of $Sr(NO_{3})_{2}$ gives $1$ mole of $Sr^{2+}$ and $2$ moles of $NO_{3}^{-}$ .

So, $0.5$ moles of $Sr(NO_{3})_{2}$ gives $0.5$ moles of $Sr^{2+}$ and $1$ mole of $NO_{3}^{-}$ .

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3 years ago

A reaction was performed, and the dichloromethane solvent was dried by adding magnesium sulfate drying agent. When the reaction

Degger [83]

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7 0

3 years ago

Which portion of a molecule of F2O has partial positive charge?

german

Answer:

Explanation:

I hope this may help you guys

6 0

1 year ago