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Anon25 [30]
3 years ago
12

When iron reacts with moist air to form rust, an ionic compound results because

Chemistry
1 answer:
UNO [17]3 years ago
4 0
I am pretty sure it is d if i am wrong please tell me

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Calculate the mass of a solute in a 10% salt solution if the mass is 350 grams.
Lyrx [107]

<u>Answer:</u> The mass of a solute is 35 grams

<u>Explanation:</u>

To calculate the mass percentage of solute, we use the equation:

\text{Mass percent of solute}=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 100

Mass percent of solute = 10 %

Mass of solution = 350 g

Putting values in above equation, we get:

10=\frac{\text{Mass of solute}}{350g}\times 100\\\\\text{Mass of solute}=\frac{10\times 350}{100}=35g

Hence, the mass of a solute is 35 grams

7 0
4 years ago
Why do you need to remove carbon dioxide and water vapour to produce liquid air
AleksandrR [38]

Answer:

because these substances solidify when cooled and would clog the pipes of the air liquefaction plant.

7 0
3 years ago
The nitrogenous bases cytosine and thymine are
mr_godi [17]
Purines are adenine and guanine. So the answer should be D (Pyrimidines). besides, phosphate group and pentose sugar are a part of a nucleotide.
7 0
3 years ago
Glass of orange juice contain 0.90 dL of juice. How many milliliters of orange juice is that?
dlinn [17]
.90 dL is 90 mL because 1 dL is 100 mL
6 0
3 years ago
An increase in pressure increasing the boiling point of a liquid is an example of a —
Setler [38]

Answer:

Ans. C. physical change

Explanation:

Physical: boiling and melting are physical changes. When water boils no bonds are broken or formed

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4 years ago
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