Didiquake Didiquake

01-07-2017
Chemistry

contestada

What is the mass, in grams, of a sample of 1.72 × 1023 atoms of potassium (K)?

Respuesta :

LeChatNoir LeChatNoir

01-07-2017

6,02×10²³ ------ 39g
1,72×10²³ ------- X
X = (39×1,72×10²³)/6,02×10²³
X = 11,143g K

Answer Link

Otras preguntas

Function 1: y = 4x + 5 Function 2: The line passing through the points (1, 6) and (3, 10). Which of these functions has the greater rate of change?

What three types of reforms did luther want for the catholic church?

Bruce bought 4 3/4 lbs of ground turkey to make turkey burgers to grill at a barbecue. How many 1/4 lb burgers can make? 19 , 20, or 21

A square frame has a perimeter of (16x - 20) feet. Write an expression that represents the side length of the picture frame (in feet).

Martin has gone hiking.He has been sweating profusely.Why is he producing sweat?

A chemist pumps hydrogen gas (h2) from a tank into a reaction vessel containing 0.734 mol o2. the gases react to form water. if all of the available o2 reacts,

which best describes the kind of questions asked of the poems speaker

Bess has knitted 5/8 of a scarf she's making . has she knotted more than 1/2 of the scarf? hint find an equivalent fraction in eight for half

plz help asap now plz

Which situation would MOST favor an observational study? A) none of the situations B) The independent variable can be systematically varied across a wide rang