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Akimi4 [234]
3 years ago
11

Brief description of a iceberg, in your OWN words

Chemistry
2 answers:
GrogVix [38]3 years ago
5 0
An iceberg is a large floating mass of ice detached from a glacier or ice sheet and carried out to sea.
cestrela7 [59]3 years ago
4 0

Answer: AN underwater ice mountain

Explanation:

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To plot the calibration curve, you need to prepare iron solutions with known concentrations and measure their absorbance.
kap26 [50]

To plot the calibration curve, you need to prepare iron solutions with known concentrations and measure their absorbance. You need to pipet 0 mL of the diluted solution to have 0.00 mg of iron.

In spectrophotometry, to plot the calibration curve, you need to prepare solutions with known concentrations and measure their absorbance.

We have a standard iron solution with a concentration of 0.2500g/L of pure iron (C₁). We pipet 25.00mL (V₁) of this standard iron solution into a 500mL (V₂) volumetric flask and dilute up to the mark with distilled water.

We can calculate the concentration of the diluted solution (C₂) using the dilution rule.

C_1 \times V_1 = C_2 \times V_2\\\\C_2 = \frac{C_1 \times V_1}{V_2}  = \frac{0.2500 g/L \times 25.00 mL}{500 mL} = 0.0125 g/L

Then, if we wanted to prepare the blank, that is, the solution that contains the same matrix but not the analyte, and whose concentration in iron is 0.00 mg/L, we wouldn't pipet any of the diluted solution.

To plot the calibration curve, you need to prepare iron solutions with known concentrations and measure their absorbance. You need to pipet 0 mL of the diluted solution to have 0.00 mg of iron.

Learn  more: brainly.com/question/24195565

8 0
2 years ago
A gas occupies a volume of 0.20 L at 25 kPa. What volume will the gas occupy at 2.0 kPa?
ycow [4]

Answer:

2  L

Explanation:

5 0
2 years ago
The transition metals are located in what block of the periodic table
gladu [14]
Located in the D block
7 0
3 years ago
Evidence of a chemical change does NOT include
horrorfan [7]
C is the correct answer for this question. since it is a physical change
3 0
3 years ago
Read 2 more answers
Which substance has Delta.Hf defined as 0 kJ/mol?
miskamm [114]

Answer:

the answer is 02 (g)

Explanation:

hope this helps :)

6 0
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