A9.87-mol sample of zr represents how many atoms?

A mole of any element is equal to avogadro's number which is equivalent to 6.0221409e+23, that is 6.0221409e+23 molecules or atoms per mole.In this case, we are given with 9.87 sample which when multiplied to Avogadro's number is equal to 5.943853e+24 atoms.

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.

Carbon based or cells?