Help please. What volume of 0.305 M AgNO3 is required to react exactly with 155.0 mL of 0.274 M Na2SO4 solution?

Question

chmvijay · Answer

can u write balanced reaction for this ?

anonymous · Answer

it would be AgNO3+Na2SO4->2NaNO3+Ag2SO4. What should I do next?

chmvijay · Answer

do u think Ag is balanced check once again on left

anonymous · Answer

oh yeah it would be 2AgNO3+Na2SO4->2NaNO3+Ag2SO4

chmvijay · Answer

good

anonymous · Answer

And what do I do next?

chmvijay · Answer

You need 2 moles of AgNO3 per mole of Na2SO4

chmvijay · Answer

V1M1=2*V2M2
V*0.305 = 2*155*0.274

chmvijay · Answer

did u get or noo @cherry2012

anonymous · Answer

yes i got 278. Can u just explain to me why I need to moles of AgNO3 per Na2SO4?

chmvijay · Answer

bocoz can u see it in balanced reaction two behind AgNO3 and 1 behind Na2SO4
it should be balanced to calculate always

anonymous · Answer

oh okay thank u for ur help:)

chmvijay · Answer

ur welcome