Conservation of Mass - Combustion

2 answers:

6 0

<h2>D) The students should burn the candle in a container that has some type of lid so that any gas that is a product of the reaction can be contained and massed.</h2>

The students should burn the candle in a container that has some type of lid so that any gas that is a product of the reaction can be contained and massed. Remember, the by-products of combustion include carbon dioxide and water vapor. These products escaped from the flask during combustion and the ending mass varied from the beginning mass.

Rashid [163]3 years ago

3 0

Answer:

i think its b

Explanation:

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Calculate the mass of sucrose needed to prepare a 2000 grams of 2.5% sucrose solution.

meriva

Answer:

50 g Sucrose

Explanation:

Step 1: Given data

Mass of solution: 2000 g

Concentration of the solution: 2.5%

Step 2: Calculate the mass of sucrose needed to prepare the solution

The concentration of the solution is 2.5%, that is, there are 2.5 g of sucrose (solute) every 100 g of solution. The mass of sucrose needed to prepare 2000 g of solution is:

2000 g Solution × 2.5 g Sucrose/100 g Solution = 50 g Sucrose

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3 years ago

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