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

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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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

AleksandrR [38]

Answer:

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

7 0

3 years ago

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

dlinn [17]

.90 dL is 90 mL because 1 dL is 100 mL

6 0

3 years ago

Setler [38]

Answer:

Ans. C. physical change

Explanation:

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

5 0

4 years ago