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Mass 1 with a unknown

Dissolve 1.5g of an unknown salt into 37g of water and find that the new vapor pressure at 75C is 277 torr. What is the Molar
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2. asked by regina
3. 1,093 views
. 0.30m....|______|_________________________ ....|...../\ ...|_| <-- box with unknown mass In the figure, the meterstick's mass
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2. asked by lizbeth
3. 672 views
I'm trying to figure out the percent composition of a mixture of an unknown (a combination of NaHCO3 and NaCl).Here's my data:
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2. asked by Liam
3. 1,025 views
An unknown mass is suspended by a string fromone end of an uniform stick which has a mass of 120 g. In order to balance the
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2. asked by Brandon
3. 704 views
Mass of unknown solution=25.671Mass ethanol =8.243 Assuming that prior experiments have shown the single-step extraction removes
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2. asked by Forrest
3. 643 views
The mass of an evacuated 255-mL flask is 143.187g. The mass of the flask filled with 267 torr of an unknown gas at 25 degrees
1. 4 answers
2. asked by Steph
3. 3,019 views
A frictionless massless pulley has 7 kg tied to a cable on the left side and an unknown mass (M) on the right. The unknown mass
1. 1 answer
2. asked by Alex
3. 520 views
Hey guys I did a lab and I have to answer the questions relating to the lab. I did question can someone please check if these
1. 4 answers
2. asked by Saira
3. 857 views
QUESTION: How do you determine the molar mass of the unknown, nonelectrolyte compound for each trial?This is for a lab. My data
1. 1 answer
2. asked by Jamie
3. 1,041 views
Hey guys I did a lab and I have to answer the questions relating to the lab. I did question can someone please check if these
1. 3 answers
2. asked by Saira
3. 663 views