neathmeas neathmeas

15-09-2016
Chemistry

contestada

3L of a gas weighs 2g.What is the molecular mass?

Respuesta :

16-09-2016

In STP

If 3dm³ -------------- 2g
22,4dm³ ----------x

22,4dm³*2g
x = ----------------------- = 14,93g
3dm³

M = 14,98 g/ mol

Answer Link

Otras preguntas

Paloma can run the 100 meter dash in sixteen And one fith .savan best time is 19.8 seconds .how much castre is Paloma than savannah

What is essential for blood clotting?

On a map, 1 inch represents 1,000 miles. If the area of a country is actually 16 million square miles, what is the area of the country’s representation on the

22.) -5n+3(6+7n) 23.) -2n-(9-10n) 24.) 10-5(9n-9)

Estimate the total weight of two boxes that weigh 9.4 and 62.6 pounds using rounding and compatible numbers. which estimate is closer to the actual total weight

an airplane climbs at a rate of 66.8 feet per minute. It descends at twice the rate that it climbs. Assuming it descends at a constant rate, how many feet will

A 1/4 turn clockwise

(3x-4)∧2=8 how do i solve this

rounding 672,831 to the tens place? hundreds place? thousand place? ten thousand place? and hundred thousands place?

Their married life was not since it was fraught with bitter fighting and arguments. (A) nubile (B) tranquil (C) obvious (D) cogent (E) imminent