3 years ago

PLEASE HELP!!!!!!!!!!

Chemistry

1 answer:

Olegator [25]3 years ago

8 0

I believe the answer is 3

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Darya [45]

How many grams of glucose is dissolved in 2.88% glucose solution if 1944 grams of water is used???? The answer is C. 56 grams

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3 years ago

So..would it be A? Helppp

Lelu [443]

Answer:

Yes it would be a hope this help s can u rate me 5 stars

Explanation:

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3 years ago

How many milliliters of a 25% (m/v) NaOH solution would contain 75 g of NaOH?

Luda [366]

Answer:

E 3.0 x 10² mL.

Explanation:

Hello there!

In this case, according to the formula for the calculation of the mass-volume percent:

$\% m/V=\frac{m_{solute}}{V_{solution}}*100\%$

Whereas it is necessary to know the mass of the solute and the volume of the solution. Thus, given the mass of NaOH as the solute, the volume of the solution would be:

$V_{solution}=\frac{m_{solute}}{\% m/V}*100\%$

Then, by plugging in we obtain:

$V_{solution}=\frac{75g}{25\%}*100\%\\\\V_{solution}=3.0x10^2mL$

Thus, the answer is E 3.0 x 10² mL.

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3 years ago

How many protons are in an isotope of oxygen-15?

Pepsi [2]

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8 protons

Explanation:

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3 years ago

Help me on this please !

Nat2105 [25]

Answer: your answer is A

Explanation:

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3 years ago