3 years ago

I give brainliest pls help

Chemistry

2 answers:

ExtremeBDS [4]3 years ago

5 0

Answer:

Explanation:

Radiation can come from the Sun

12345 [234]3 years ago

3 0

Great Question! Sand Becoming Hot In The Sunlight is The Correct Answer So your Answer Choice Would be Letter "A"

Have A Great Day!

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How many grams of nacl are in 250 g of a 15.0% (by weight) solution?

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37.5 g of NaCl are in 250 g of a 15.0% (by weight) solution.

Explanation: -

Total mass = 250 g

Percentage of NaCl = 15.0 %

= $\frac{Number of grams of NaCl present}{total mass}$

Thus $\frac{15}{100}$ = $\frac{Number of grams of NaCl present}{250g}$

Number of grams of NaCl present = $\frac{15 x 250g}{100}$

= 37.5 g

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