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

A force of 100 newtons is applied to a box at an angle of 36º with the horizontal. If the mass of the box is 25 kilograms, what is the horizontal acceleration o

Entering the formula =SUM(C5:C18) in cell C19 will result in which of the following? A. Cells C5, C18, and C19 will be added together. B. The total of c

Which are reasons that the Renaissance began in Italy? Choose all answers that are correct. A. Greek scholars fleeing wars in Constantinople came to Italy wi

Write 3/5x + 4 in standard form using integers? This is the right question ^

Mr. Kline's earth science class set up an experiment to compare the heating and cooling rates of sand and water. They filled cups with sand and water and then

Identify the following as an example of a physical property or a chemical property. Sodium metal is kept submerged in oil to prevent contact with oxygen or wat

in cases where an employee is subject to both state and federal minimum wage laws, the employee is entitled to the _____ minimum wage. a federal b state c highe

Which of the following is a simple definition of oxidation?

When were the ruins of pompeii first excavated

If it takes 125 joules to heat a piece of gold weighing 35 g from 18.0 °C to 43.0 °C, what is the specific heat of the gold?