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dexar [7]
4 years ago
11

Is every solution also a mixture?

Chemistry
1 answer:
aleksandrvk [35]4 years ago
4 0
A mixture consists of two or more components. a solution can consists of a solute dissolved in a solvent or two solvents mixed together, for instance. A mixture can also be two gases (CO2 and O2) mixed together or two solids mixed together (sawdust and chalk).
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If 2.5 grams of calcium bromide reacted with excess lithium oxide, how many grams of bromide product would be formed?
Ede4ka [16]

Answer: 2.17 g of  bromide product would be formed

Explanation:

The reaction of calcium bromide with lithium oxide will be:

CaBr_2+Li_2O\rightarrow 2LiBr+CaO

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of calcium bromide}=\frac{2.5g}{199.9g/mol}=0.0125moles

As lithium oxide is in excess, calcium bromide is the limiting reagent.

According to stoichiometry :

1 mole of CaBr_2 produce = 2 moles of LiBr

Thus 0.0125 moles of CaBr_2 will require=\frac{2}{1}\times 0.0125=0.025moles  of NH_3

Mass of LiBr=moles\times {\text {Molar mass}}=0.025moles\times 86.8g/mol=2.17g

Thus 2.17 g of  bromide product would be formed

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How many molecules are in 92 liters of butane at STP<br><br> please show work
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calculate the molality of commercial HCl solution which is 12.1Molarity, and has a density of 1.19g/mL, and is 37.2wt.%HCl.
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According to Charle’s law, with pressure being constant, an increase in volume will also increase the temperature. 10 degrees Celsius is 283 K, so you would need to find the number greater than 283 K which is 293 K.
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