El átomo neutro de un elemento tiene el triple de neutrones que protones y su número de masa es 112. ¿En qué notación termina su configuración electrónica?

4d^55s^1 ( third choice)

the equation for synthesis of water is as follows;

here two moles of hydrogen are used with one mole of oxygen which gives one molecule of water as a product. but shana misinterpreted 2 moles as 2 grams in this equation.