2 years ago

A hypothesis is tested by ___.

Chemistry

1 answer:

Zigmanuir [339]2 years ago

4 0

Answer:

Explanation:

because a theory is like a prediction and a prediction is like a hypothesis.

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What is the mass of solute dissolved in 50,0 g of 12.5% saline solution? A) 7.148 B) 6.258 C) 43.88 D) 4.00 g

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6.25 grams is the mass of solute dissolved.

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w/w % : The percentage mass or fraction of mass of the of solute present in total mass of the solution.

$w/w\%=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 100$

Mass of the solution = 50.0 g

Mass of the solvent = x

w/w % = 12.5%

$12.5\%=\frac{x}{50.0 g}\times 100$

x = 6.25 g

6.25 grams is the mass of solute dissolved.

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