Tekanan uap jenuh air murni pada suhu 20°c adalah 18 mmhg. apabila pada temperatur yang sama sebanyak 120 gram zat x dilarutkan dalam 990 gram air, tekanan uap larutan menjadi 17,37 mmhg, hitunglah massa molekul relatif zat x ?

I know this isn't the answer but here's an English translation
The saturated vapor pressure of pure water at 20 ° C is 18 mmHg. If at the same temperature as much as 120 grams of x-substance dissolved in 990 grams of water, the vapor pressure of the solution becomes 17.37 mmHg, calculate the relative molecular mass of the substance x?

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.