A laboratory sample contains of CaCO mixed with of SiO

MATHEMATICS · Single correct · ISC · Physics · Physical World and Measurement · Significant figures and magnitude

Problem

A laboratory sample contains

12.0\,\text{g}

of CaCO

_3

mixed with

18.0\,\text{g}

of SiO

_2

. What is the mass percent of CaCO

_3

in the mixture? (a)

60.0\%

(b)

66.7\%

(c)

40.0\%

(d)

30.0\%

Related theory

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