Evapora - se totalmente o solvente de 250 ml de uma solução aguosa de mgGL2 de concentração 80 g/L. .... Pergunta de ideia deGustavo5432

December 2019 1 102 Report

Evapora - se totalmente o solvente de 250 ml de uma solução aguosa de mgGL2 de concentração 80 g/L. Quantos gramas de MgGL2 são obtidos ?

Uma solução foi preparada adicionando - se 40g na DH em água suficiente para produzir 400m de solução calcule a concentração da solução em g/L.

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sonataluna Olá,

$A) \\ 
V= 250mL = 0,25L \\ 
C= 80g/L \\ 
m= (?) \\ 
 \\ 
m= C.V \\ 
m=80g/L.0,25L \\ 
m= 20g \\ 
 \\ 
 \\ 
B)
 \\ m= 40g \\ 
V= 400mL = 0,4L \\ 
C= (?) \\ 
 \\ 
C= \frac{m}{V} \\ 
 \\ 
C= \frac{40}{0,4} \\ 
 \\ 
C= 100g/L$

Bons estudos!

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URGENTE ????? Uma enefermeira mediu a temperatura de um paciente com um terremoto quadrado na escala fahrenhit e encotrou 104 graus f a temperatura, desse paciente corresponde o m c a que e A)38 B)40 C)36 D)34 E)32

URGENTE URGENTE ????? 1) Complete wilt the simple present. A)Dogs(bark). B)They Usually(take) a bus. C)He_(work) near his house. D)Sara_(like) her job. E)Jonh_(get up) at 6:00 am. F)The film_(start) at 8:00 p.m. G)She____(read) a now book. 2) translate the 1 question.

Porque sentimos frio ? Porque utilizamos o coberto quando estamos com fio ?

URGENTE URGENTE ???? Complete wilth do or doer and traslate. A) I wilth tv? B)They usualty e at pizza? C)He go to school by Car? D)Peder go to the gym? E)Lisa study English? F)The cat drink milk? G)__you eat fish?

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URGENTE ????? Uma enefermeira mediu a temperatura de um paciente com um terremoto quadrado na escala fahrenhit e encotrou 104 graus f a temperatura, desse paciente corresponde o m c a que e A)38 B)40 C)36 D)34 E)32

URGENTE URGENTE ????? 1) Complete wilt the simple present. A)Dogs____(bark). B)They Usually______(take) a bus. C)He_____(work) near his house. D)Sara_____(like) her job. E)Jonh_____(get up) at 6:00 am. F)The film_____(start) at 8:00 p.m. G)She______(read) a now book. 2) translate the 1 question.

Porque sentimos frio ? Porque utilizamos o coberto quando estamos com fio ?

URGENTE URGENTE ???? Complete wilth do or doer and traslate. A)______ I wilth tv? B)______They usualty e at pizza? C)______He go to school by Car? D)______Peder go to the gym? E)______Lisa study English? F)______The cat drink milk? G)______you eat fish?

Recomendar perguntas

Helpful Links

Helpful Social

URGENTE URGENTE ????? 1) Complete wilt the simple present. A)Dogs(bark). B)They Usually(take) a bus. C)He_(work) near his house. D)Sara_(like) her job. E)Jonh_(get up) at 6:00 am. F)The film_(start) at 8:00 p.m. G)She____(read) a now book. 2) translate the 1 question.

URGENTE URGENTE ???? Complete wilth do or doer and traslate. A) I wilth tv? B)They usualty e at pizza? C)He go to school by Car? D)Peder go to the gym? E)Lisa study English? F)The cat drink milk? G)__you eat fish?