Chem ppr 33 salt help?

[filza94]

okay watz ur answer

 

[acefarren]

lols...i have no data....cannot count

 

[filza94]

my answer is cuming 4.21 n in part (g) da value is calculated should be 9 n true value is 7 now telme help mee plzzzzzzzz how to do it

 

[fireman]

Do the ratio thing ! 1/X : mol of(FeSo4) / Mol of (H2o) .I gt 3 ,its just beacause i took the whole mass 1.8,i shud have taken more,maybe u did the same thng @filza

 

[filza94]

yea i took mass 1.85 n did da same as u said da calculations i got 4.21 so thanks alot 4 helping mee....

 

[QWERTY1]

is it sure tat its gonna come??
AND filza94 how do u knw the answers? u were rught abt the bio p33 as well!!!!

 

[zahraahmed]

hydrated ammonim salt titrated with KMnO4 THIS REACTION RESULTS IN AN EXPLOSION HOW MANY TIMES DO I WRITE THIS OVER HERE..................

 

[filza94]

HEY M TAKING HERE ABT O/N 2009 Q.1 N WAT U MEAN TO SAY I WAS RIGHT ABT BIO IN WAT????

 

[zahraahmed]

hydrated ammonim salt titrated with KMnO4 THIS REACTION RESULTS IN AN EXPLOSION HOW MANY TIMES DO I WRITE THIS OVER HERE..................

 

[zahraahmed]

hydrated ammonim salt titrated with KMnO4 THIS REACTION RESULTS IN AN EXPLOSION HOW MANY TIMES DO I WRITE THIS OVER HERE..................

 

[filza94]

FINE CHILLLLLLLLLL CANT U C I ROTE MOLES OF FESO4 .............

 

[zahraahmed]

HEY DO U HAV ANSWERSS

 

[msk]

1 b, c, d and f. Please and thank you!

i have done p33 and 34 both...i can,t find 33 so as both of them are similar i hope u can get some help!

1b. mass of water lost = 0.95g
mass of copper sulfate remaining= 1.7g
1c. moles of water 0.95/18 = 0.053
moles of copper sulfate 1.7/159.6 =0.011

1d. for ratio 0.053/0.011 =5

 

[filza94]

which answers zahra????