Cuantos gramos de nahco3 necesito para preparar 200 gramos de solución al 14%m/m?

Question 6 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. yo pago answer for blank 1: question 7 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. yo mando answer for blank 1: question 8 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. miguel y ana llegan answer for blank 1: question 9 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. ustedes lavan answer for blank 1: question 10 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. tú lavas answer for blank 1:

A. the verb table below has three columns. the first column has the present tense of a verb. the second column has the infinitive of the verb. the third column has the preterite tense of the verb. fill in the blank squares of the table with the form that is missing. (see the attach file)

Emily: buenos días, necesito el libro eva luna de isabel allende. bibliotecario: lo siento. (prestar) la semana pasada. pero tenemos el libro la casa de los espíritus de la misma autora. emily: ese libro (sacar) hace dos semanas y (devolver) ayer. bibliotecario: tengo el libro veinte poemas de amor y una canción desesperada de pablo neruda. emily: ese libro de poemas es mi favorito; ) hace un año. muchas gracias de todas maneras.