mshelton052199 mshelton052199

03-02-2015
Chemistry

contestada

how many molecules are in 9.8 grams of calcium

Respuesta :

Аноним Аноним

03-02-2015

Hmm
One mole of calcium is usually equal to 40 grams so divide 9.8 by 40 which would be 4.0 molecules

Answer Link

Otras preguntas

Stayed gave an answer of 6 6/7 for the problem 4 2/7 times 1 3/5. Using estimates, is this a reasonable answer?

Which two methods correctly explain how to convert 16/20 to a percent? A. is equivalent to , and is equivalent to 80%. B. is equivalent to , and

which of the following are powers shared by presidents in both russia and the united states

What is the domain of the function below? {(0,2), (3,1), (5,2), (8,4)}? a) {1,2,4} b) {0,3,5,8} c) {0,1,2,3,4,5,8} d) {(0,1), (3,1), (5,2), (8, 4)}

The world produces about 3.9 billion tons of food every year. Of that amount, approximately 2.6 billion tons is consumed each year. The rest is wasted. What per

A line through which two points would be perpendicular to the line y=4/7x - 3

What kind of resoures is water?

How do i divide whole numbers

Your patient is an approximately 60-year-old male who presents at a local shopping mall unresponsive. initial assessment findings are as follows: “pt is unrespo

The US government tolerates Russian leader Vladimir Putin's policies, such as censoring the press and hindering free market systems, because