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3 years ago

A concentrated solution in water will always contain a strong or weak electrolyte true or false

1 answer:

Taya2010 [7]3 years ago

5 0

This is a false statement. While a solution in water might have a strong or weak electrolyte, there are also occasions where it might contain a non-electrolyte. Two examples of these types of solutions that will not be electrolytic would be a sugar solution or ethanol.

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c3H8 + 5O2 = 3CO2 + 4H2O When 44.0 grams of propane (C3H8) under goes complete combustion, how many grams of water will be produ

Umnica [9.8K]

Answer: 72 grams of water will be produced.

Explanation:

To calculate the number of moles, we use the formula:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$ ....(1)

Mass of propane = 44 grams

Molar mass of propane = 44 grams

Putting values in above equation, we get:

$\text{moles of propane}=\frac{44g}{44g/mol}=1mole$

For the reaction of combustion reaction of propane, the equation follows:

$C_3H_8+5O_2\rightarrow 3CO_2+4H_2O$

By Stoichiometry of the reaction,

1 mole of propane produces 4 moles of water.

So, 1 mole of propane will produce = $\frac{1}{1}\times 4=4moles$ of water.

Now, to calculate the amount of water, we use equation 1, we get:

Molar mass of water = 18 g/mol

$4mol=\frac{\text{Mass of water}}{18g/mol}$

Mass of water produced = 72 grams

Hence, 72 grams of water will be produced.

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3 years ago

Did chimps feed more on seeds or leaves during May?

Naya [18.7K]

Chimps feed on seeds more

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3 years ago

Astor Manufacturing stores hazardous and volatile chemicals in its warehouse. The warehouse has state of the art equipment to ma

alexdok [17]

Answers. The correct option is A

Explanation:

The Astronomy manufacturing company is liable to Williams injury only if the company was grossly negligent.

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3 years ago

Difference between reactants and products.

Arisa [49]

Answer:

a reactant is a substance that is at the beginning of a Chemical reaction while a product is a substance that is present at the end of a chemical reaction.in other words a reactant is a substance used up in a chemical reaction to produce something while a reactant is what is produced after a chemical reaction.

I hope this helps

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3 years ago

During science class, while studying mixtures, you mix together table salt and sand. Your teacher challenges you to separate the

olga2289 [7]

The property to be used is sieving. you get a bowl and a sieve when you pour the sand and salt,the salt being the small particle sieve to the bowl while the sand remain on the sieve as residue

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3 years ago