# chemistry

posted by .

What mass of silver nitrate (AgNO3) is re-
quired to prepare 400 g of a 3.50% solution of
AgNO3?
1. 14 g
2. 0.00875 g
3. 114.28 g
4. 1400 g

• chemistry -

percent what? w/w; w/v, v/v, etc.
I assume this is mass percent.
(g AgNO3/400 g soln)*100 = 3.50
Solve for g AgNO3.

• Chemistry university -

Can you help me

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