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Galina-37 [17]
3 years ago
15

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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Answer:
             V₂  =  1070 mL or 1.07 L

Solution:

Data Given;
                  P₁  =  1170 mmHg

                  V₁  =  915 mL

                  T₁  =  24 °C  +  273 K  =  297 K

                  P₂  =  842 mmHg

                  V₂  =  ?

                  T₂  =  - 23 °C  +  273 K  =  250 K

According to Ideal gas equation,

                       P₁ V₁ / T₁  =  P₂ V₂ / T₂

Solving for V₂,

                       V₂  =  P₁ V₁ T₂ / P₂ T₁

Putting Values,

                       V₂  = (1170 mmHg × 915 mL × 250 K) ÷ (842 mmHg × 297 K)

                       V₂  =  1070 mL or 1.07 L
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