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mart [117]
3 years ago
9

Calculate the molarity of an aqueous solution of sodium chloride , NaCl with molality of 13.76m and density of 1.03gmL-1.

Chemistry
1 answer:
Zanzabum3 years ago
8 0

Answer:

Find the domain and the range of the following:

x y

3 2

5 7

1 4

9 2

3 7

Explanation:

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Explanation:

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3 years ago
PLEASE HELP! (8.01 MC)
Maslowich
Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity.
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A sample of sodium hydroxide (NaOH) has a mass of 160.0 g. The molar mass of NaOH is 40.00 g/mol. How many moles of NaOH does th
NARA [144]

Answer:

400 becuase NAOH AND TJE NAOH ARE THE same

Explanation:

6 0
3 years ago
Read 2 more answers
). In a titration, a student obtained an average titre value of 3.9 cm3 of 0.3 M HCl. If the volume of Na2CO3 solution used is 1
Oliga [24]

Answer:

I) 0.0585 M

ii)6.2 g dm-3

Explanation:

The reaction equation is given as;

Na2CO3(aq) +2HCl(aq)------> 2NaCl(aq) + CO2(g) +H2O(l)

Concentration of acid CA= 0.3 M

Volume of acid VA= 3.9 cm^3

Concentration of base CB= the unknown

Volume of base VB= 10 cm^3

Number of moles of acid NA= 2

Number of moles of base NB= 1

From;

CAVA/CBVB= NA/NB

CAVANB=CBVBNA

CB= CAVANB/VBNA

substituting values;

CB= 0.3 × 3.9 × 1/ 10.0 × 2

CB= 0.0585 M

ii) mass concentration= molar concentration × molar mass

Molar mass of Na2CO3= 106 gmol-1

Mass concentration= 0.0585 × 106 = 6.2 g dm-3

5 0
3 years ago
Which of the following statements are true? Select all that apply.
Luda [366]

Answer: number one makes the most sense to me let me know if it’s right!

Explanation:

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2 years ago
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