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inysia [295]
3 years ago
13

Can I have Help? please

Chemistry
2 answers:
Annette [7]3 years ago
8 0

Answer: 2.77

Explanation:

enot [183]3 years ago
3 0

Answer:

A

Explanation:

density = mass÷volume

mass = 69.2g

volume = 32.9-25 = 7.9ml

density = 69.2÷7.9 = 8.76g/ml

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When using ion-selective electrodes, to compensate for a complex or unknown matrix, the _____________ method can be used to dete
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When using ion-selective electrodes, to compensate for a complex or unknown matrix, the  standard addition method can be used to determine the analyte concentration. Option D

<h3>What are  ion-selective electrodes?</h3>

Analytical chemistry is a science that deal with the measurement and detection of the accurate amount of a substance. Analytical chemistry plays a large role in environmental management as it helps in the determination of the levels of contaminants in a sample.

An ion selective electrode is used in analytical chemistry to measure the amount of a target ion by converting its activity into a measurable electrical signal.

Hence, when using ion-selective electrodes, to compensate for a complex or unknown matrix, the  standard addition method can be used to determine the analyte concentration.

Learn more about ion-selective electrodes:brainly.com/question/14987024

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2 years ago
The diagram below represents a sodium atom bonding to a chlorine atom to form sodium chlorine.
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Sodium Chloride is a compound.
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3 years ago
For the following chemical reactions, determine the precipitate produced when the two reactants listed below are mixed together.
Free_Kalibri [48]
Ba(Oh)2(aq) + KCI(aq)>
8 0
3 years ago
What is this and explain why please:)
Yuliya22 [10]

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C Atomic number

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8 0
2 years ago
Read 2 more answers
How many mols of chlorine are in 120g of chlorine gas
xz_007 [3.2K]

Answer:

Number of moles of chlorine = 3.38 mol

Explanation:

Given data:

Mass of chlorine = 120 g

Moles of chlorine = ?

Solution:

Formula:

Number of moles = mass/molar mass

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Now we will put the values in formula.

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6 0
3 years ago
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