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3 years ago

How many grams of BF3 would you weigh out to make the following solution: 90.0 mL of 1.20 M BF3?

Chemistry

1 answer:

Alona [7]3 years ago

6 0

Don't stay awake for too long

Don't go to bed

I'll make a cup of coffee for your head

I'll get you up and going out of bed

Yeah

I don't wanna fall asleep

I don't wanna pass away

I been thinking of our future 'cause I'll never see those days

I don't know why this has happened

But I probably deserve it

I tried to do my best

But you know that I'm not perfect

I been praying for forgiveness

You've been praying for my health

When I leave this earth

Hoping you'll find someone else

'Cause yeah, we still young there's so much we haven't done

Getting married, start a family

Watch your husband with his son

I wish it could be me

But I won't make it off this bed

I hope I go to heaven

So I see you once again

My life was kinda short

But I got so many blessings

Happy you…

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3 years ago

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2 years ago

How many milliliters of water are needed to prepare a 3.5M solution of NaOH if you have .5mol of the solute

Mamont248 [21]

Answer:

1335.12 mL of H2O

Explanation:

To calculate the mililiters of water that the solution needs, it is necessary to know that the volume of the solution is equal to the volume of the solute (NaOH) plus the volume of the solvent (H2O).

From the molarity formula we can first calculate the volume of the solution:

$M=\frac{solute moles}{solution volume}$