hotmike415 hotmike415

04-05-2017
Chemistry

contestada

How many moles are in 3.4 x 10-7 grams of silicon dioxide?

Respuesta :

fussellk fussellk

04-05-2017

Molar mass is 28+32 = 60
So take 3.4 x 10^-7/60 and get about 5.7 x 10^-9

Answer Link

Otras preguntas

Identify a constant in the equation 18x + 14 = 120 Question 3 options: A.18 B.x C.There are no constants in this equation. D.14

What has been a lasting impact of European colonialism? a. Artificial boundaries created by colonial rulers brought together and separated people arbitrarily b.

Which of the following is true of the governmental structure set forth in the Articles of Confederation? a. Only two branches of government existed, the executi

In England, the concept of individual rights can be traced back to _____.

The infamous offshore oil disaster that occurred with the Valdez happened near the state of _____. a. California b. Oregon c. Washington d. Alaska

Which words in the sentence is the object of the preposition? The painter entered the living room climbed onto the ladder. a. Climbed b. Ladder c. Room d. Paint

One goal of President Lyndon Johnson’s Great Society was to end race segregation and other forms of race discrimination. Which law/program was passed to achieve

Which of the following sentences is writing in Passive voice? a. A massage should relax, not stress, you. b. A massage is given as a relaxing experience, not st

Which of the following sentences is written in passive voice? a. You should drink water throughout the day as it is the best way to keep the body hydrated b. Wa

How were the details of the Iran-Contra Affair discovered? a. A plane crash in Nicaragua revealed it. b. Senator John Tower discovered the plan. c. Information