If a hazardous bottle is labeled 30.2 percent by mass Hydrochloric Acid, HCl, with a density of 1.096 g/mL, calculate the molarity of the HCl solution.

Which statement about the origins of the American population is true?

A most Americans descend from people who first populated this continent about 20,000 years ago

b about 98 percent of Americans live in this country due to the waves of Irish and German people who came in mid 1800s

c immigration expander the American population before 1806 ,bur has no significantly contributed to it since then

d the vast majority. of Americans ms either descended from immigrats or are immigrants themselves

Explanation:

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