debuckboydnota debuckboydnota

04-07-2016
Chemistry

contestada

what is the mass of one mole of caco3

Respuesta :

04-07-2016

"1 x Ca = 1 x 40 = 40
1 x C = 1 x 12 = 12
3 x O = 3 x 16 = 48

40 + 12 + 48 = 100 (Mr of CaCO3)

moles = mass / Mr
mass = moles x Mr
mass = 1 mole x 100 = 100grams."

Answer Link

Otras preguntas

Let f(x)= cos(2x) +e^(-x). for what value of x on the interval (0,3) will f have the same instantaneous rate of change as the average rate of change of f over t

What is the Area of this triangle when x=10 inches? Hint: Area= 1/2bh

The quotient of a numder and -5 is 6. what is the number?

the rate of inflation excluding the effects of food and energy prices is ______A. the wage-price spiralB. hyperinflation C. the core inflation rate

A lake in California contains about 8,500,000,000,000 gallons of water. How can this number be written in scientific notation?

What is the main idea of this speech?

Select all that apply. What is true about the elements of a period?

1 2 3 4 5 6 7 8 9 10TIME REMAINING58:26Which statement best explains why the Constitution limits the power of the executive branch?The Constitution limits the e

Ken will flip a Fair coin and then randomly choose one of the three colored cords the possible outcomes are shown below what is the probability that Tails will

Which weighs more: a pound of feathers or a pound of lead? Explain.