question archive 1) i have 5M stock solution of HCl and need 500 ml of a 0
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1) i have 5M stock solution of HCl and need 500 ml of a 0.75M solution. What volume of water (in ml) do i use?
2) i have 15x stock of rifampicin in methanol and i needs 8ml of a 1x working solution. How many ml of the stock solution do i need?
3) Jenny has a 5M stock solution of HCl and need 500 ml of a 0.75M solution. What volume of stock HCl will she use (specify in litres in scientific notation to correct number of significant digits; report only the number and not the units)?
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