robertdavis90 robertdavis90

18-05-2021
Chemistry

contestada

Is anyone good at chemistry if so Is it possible could someone help me please

NO LINKS I REPEAT NO LINKS

Is anyone good at chemistry if so Is it possible could someone help me please NO LINKS I REPEAT NO LINKS class=

Respuesta :

Аноним Аноним

19-05-2021

344.0 / 68.8 = 5 (no.of half life that have elapsed)

Mass remains = (1/2)^n × (original mass)

= (1/2)^5 × 200

= (0.5) ^5 × 200

= 0.03125 × 200

= 6.25 grams

Answer Link

Otras preguntas

lois made a dish with 3 1/3 cups of pasta. one serving is 0.4 cups how many servings of pasta were in the dish of pasta

the branch of agriculture that deals with the distribution of farm produce is?

What is the center of the circle represented by the equation x² + (y + 9)2 = 25 ?

The decomposition of ammonia is: 2 NH3(g) = N2(g) + 3 H2(g). If Kp is 1.5 × 103 at 400°C, what is the partial pressure of ammonia at equilibrium when N2 is 0.10

On March 15, 20X9, Clarion Company paid property taxes of $60,000 on its factory building for calendar year 20X9. On July 1, 20X9, Clarion made $40,000 in unant

In what ways can you lend your voice to help combat injustice and create a more peaceful world?

A straight pipe 1 yard in length was marked off in fourths and also in thirds. If the pipe was then cut into separate pieces at each of these markings, which of

how is technology is used to increase agricultural yields?

Which expression is not equivalent to –20? A (−80)4 B −(804) C (−80−4) D) 80(−4)

What’s the ratio of 5 tennis ball and 3 tennis rackets