What is the mass (in grams) of 0.1 moles of CaCO3?
Use the equation mass(g) = moles x MrThe moles are given in the question, moles= 0.1 molLook at a periodic table to work out the Mr of CaCO3: Ca= 40 C= 12 O= 16 Therefore Mr= 40+12+(16x3) = 100So mass (g)= 0.1x100 = 10 g
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