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hammer [34]
3 years ago
10

URGENT!!!!!

Chemistry
1 answer:
Nikitich [7]3 years ago
6 0

Answer:

buggy cyh gu hcgcggcfgggh5677

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If you dissolve 8.50 g of ca(no3)2 in 755 ml of distilled water what is the concentration in molarity of the calcium nitrate sol
Zanzabum
Molarity is defined as the number of moles of solute in 1 L of solution 
the mass of Ca(NO₃)₂ present - 8.50 g
therefore number of moles of Ca(NO₃)₂ - 8.50 g / 164 g/mol = 0.0518 mol
the volume of solution prepared is 755 mL 
therefore if there are 0.0518 mol in 755 mL 
then in 1000 mL the number of moles - 0.0518 mol / 0.755 L 
molarity is therefore - 0.0686 M
4 0
3 years ago
Nombra cada uno de los siguientes hidrocarburos de acuerdo a las reglas de la IUPAC
myrzilka [38]

Answer:

i) ciclobutano

ii) 3-etil-4-metil ciclopenteno

Explanation:

Toda la idea de la nomenclatura IUPAC es permitir que la estructura de la sustancia se derive de su nombre y viceversa.

La nomenclatura IUPAC es un sistema universalmente aceptado para nombrar compuestos químicos.

los nombres de los compuestos enumerados son;

i) ciclobutano

ii) 3-etil-4-metil ciclopenteno

3 0
2 years ago
Determine molar mass of Mn (ClO3)3
goldenfox [79]
M(Mn(ClO3)3)=(54.938)+(35.45x3)+(15.999x9)
M(Mn(ClO3)3)=305.279 g/mol
8 0
3 years ago
Hydrogen chloride (HCl) is added to solid sodium hydroxide (NaOH).
SashulF [63]

Answer:

NaOH and HCl

Explanation:

The reaction of sodium hydroxide, NaOH, with hydrochloric acid, HCl, produces NaCl and water.

5 0
2 years ago
Protons are positively charged and repel other protons. Which other particle is found in the nucleus and separates protons so th
Leto [7]
Neutrons which doesn't have any charge
6 0
3 years ago
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