What is the molarity of a naoh solution if 15.0 ml of the solution is neutralized by 38.5 ml 0.150 m h3po4 solution?
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Ответ:
Look for the moles of NaOH which is 0.0385 L x 0.150 M = 0.00578
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
moles H3PO4 = 0.00578 / 3 = 0.00193
M of H3PO4 = 0.00193 mol / 0.0150 L= 0.128 is the molality we are looking for in this problem.
Ответ:
co2
Explanation:
it is an ionic compound