Given the equation: Ca(CO3) + 2NaOH > Ca(OH)2 + Na2(CO3) How much Ca(CO3) is needed to produce 2.3 moles of Na2(CO3)?
Show all your work please, and thank you!

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.