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2 years ago

7

WOULD YOU BE ABLE TO FORM RUST WITHOUT OXYGEN? Explain.

1 answer:

Aneli [31]2 years ago

4 0

Answer:

No

Explanation:

Rust is an iron oxide, a usually reddish-brown oxide formed by the reaction of iron and oxygen in the catalytic presence of water or air moisture.

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How many grams of sodium chloride are contained in 250.0 g of a 15% NaCl solution?

kramer

Given concentration of NaCl=15%

Means ,

In every 100g of Solution 15g of NaCl is present .

Now

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So ,

$\\ \Large\sf\longmapsto 250\times 15\%$

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your answer

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