Gulbrandson697 Gulbrandson697

01-09-2015
Chemistry

contestada

The percent composition of all elements in HClO3 is:
a. 2% H, 20% Cl, 78% O
b. 1% H, 42% Cl, 57% O
c. 2% H, 68% Cl, 30% O
d. None of the above

Respuesta :

lulu1991 lulu1991

01-09-2015

The percent composition is defined by mass percent. So the calculation is through the atomic mass. The mass for H is 1, Cl is 35.5, O is 16. So the answer is B.

Answer Link

Otras preguntas

620 + 107 round estimate the sum

Which statement best describes the relationship between Byron and the two romantic poets Samuel Taylor Coleridge and William Wordsworth? A. They were close frie

Which type of compound dissociates?

what is the expanded form for 373,698

Which best describes the political contribution of Charlemagne? a. He broke relations with the Byzantine Empire to secure papal support. b. He maintained an e

contrast the economies and ways of life that developed in the north and south

Which statement about immigration to the United States between 1860 and 1900 is true? a. Crop failures and starvation at home sent nearly one-quarter of the po

Which equation could be used to solve the problem? The Jensens drove 400 miles in 8 hours. How many miles per hour did they drive (m)? a. m = 400 miles • 8 hou

Convert 43.9 grams to centigrams. 439 centigrams 43,900 centigrams 439,000 centigrams 4,390 centigrams

As American forces approached Japan, Japanese forces A. won an important victory in the Philippines. B. conquered every island the United States held. C. surren