Answer to Question #147525 in General Chemistry for Kathlyn albao

General Chemistry

Question #147525

How many moles of NaAlO2 is produced if 126.4 g of NaOH reacts completely?

Expert's answer

$2Al+2NaOH+2H2O→2NaAlO2+3H2$

$Molar Mass of 2NaAlO2=(2×23)+(2×27)+(2×48)$

$=196g/mol$

$Moles=Mass/Molar Mass$

$=126.4g/196g/mol$

$=0.748Mol NaAlO2$

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