Activity 1 Computing the average Atomic Mass Carbon has two isotopes, carbon-12 and carbon
13. Their atomic masses are 12 and 13.00335 and
their percent abundance are 98.89 and 1.1],
respectively. What is the average atomic mass of
carbon? Show your computation.​

Hno3(aq) → h+(aq) + no3−(aq). picture ii best represents the strong acid hno3. strong acids are strong electrolytes

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.