dedelala638 dedelala638

19-09-2020
Chemistry

contestada

what would be the mass of 9.03 x 1021 molecules of hydrobromic acid (HBr)?

Respuesta :

tyrannasorousLex tyrannasorousLex

19-09-2020

9.03 * 10^21 molecules HBr *HBr 1 mol divided by 6.02 * 10 ^23 molecules HBr
* 1 mol HBr = 1.21 g HBr
so the mass would also be the molar mass which is 1.21 g/mol

Answer Link

Otras preguntas

The Velvet Revolution took place in _____.

Chief executive of the Roman Republic ?

A Ferrari travels 250 km in 1.5 hours. Approximately how fast is it going?

Steroid use can have several physical consequences. What effect can the use of steroids have on men? A.deepened voice B.enlarge breast C.increased facial hair

Here are some sentences about playing a band.For each question, complete the second sentence so that it means the same as the first. Use no more than three word

People addicted to smokeless tobacco can develop thick, leathery white spots in the mouth. What are these spots called? A. emphysema B.leukoplakia C.mouth ulcer

Which food is the poorest source of protein? A. soy burger B. chicken C. kidney beans D. milk

how does the human heart level of organization relate to cells? To organ systems

Which expression is equal to 9/3-sqrt 2

A six pack of undershirts cost $13.98 this is 3.96 dollars less than the cost of buying 6 individual shirts is each undershirt cost the same amount how much doe