How many moles of NaOH are contained in 27 ml of 0.15 M NaOH ?

How many moles of NaOH are present in 160g of it ?

How many moles of of HCl are present in 250cm3 of 0.5 M HCl solution .

How many moles of sodium chloride are present in 250 ml of a 0.50M NaCl solution ?

How many moles of electrons are given by 8960C?

100 mL of a solution containing 5 g of NaOH are mixed with 200 mL of M/5 NaOH solution. Calculate the molarity of the resulting solution.

A certain public water supply contains 0.10ppb (part per billion) of chloroform (CHCI_3) . How many molecules of CHCI_3 would be obtained in 0.478 mL drop of this water ?(assumed d=1g/mL )

What is the pH of 0.1M NaOH solution?

How many moles are 5 grams of calcium ?

4.0 g of NaOH are contained in one declitre of a solution. Calculate mole fraction of NaOH.