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Alborosie
2 years ago
15

Bubbles are released when nitric acid is added to a potassium carbonate solution.

Chemistry
1 answer:
-Dominant- [34]2 years ago
6 0

Hi can I have a shout out please thank you for your reply thank you for the wonderful reply thank me love
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If 1.546 g of copper was used by a student at the start of the lab, and 0.732 g of copper were obtained at
mash [69]

Answer: Percent recovery is 47.34 %

Explanation:

Percent yield is defined as the ratio of experimental yiled to theoretical yield in terms of percentage.

{\text{ percent yield}}=\frac{\text{amount recovered}}{\text{total amount}}\times 100

Putting in the values we get:

{\text{ percent yield}}=\frac{0.732}{1.546}\times 100=47.34\%

Therefore, the percent recovery is 47.34 %

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3 years ago
Calculate the volume of a sample of iron that has a density of 6.8 g/mL and a mass of 6780 mg.
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Answer:

m= 6780mg = 6.78g = 6.8g

d= 6.8g/ml

V= m/d

V= 1ml

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3 years ago
What type of bond is H2Se
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3 years ago
Which starch solution will decrease in volume as osmosis occurs?
iogann1982 [59]
For the following question(s), consider a 4% starch solution and a 10% starch solution separated by a semipermeable membrane.

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Meep help me I have 23 minutes left
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Answer:

I believe the answer is C

3 0
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