Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chloride are needed to have 100.mg of na present

For a pure sodium chloride compound, when sodium's content is 39%, then we must find the number of grams of sodium chloride, in which 39% of which is 100 mg. This is done by dividing 100 by 39%. The answer would be 256.41 mg of NaCl.

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.