1. Ordinary table salt, sodium chloride, is composed of 39.3 sodium and 60.7 chlorine.Calculate the mass of chlorine in 0.280 of salt.
2. Uranus has five large moons with a combined mass of 3.87 x 10^21.
What is the mass of the largest moon, Titania, if it is 54.3% of the total mass?
10 points for right answers
2. Uranus has five large moons with a combined mass of 3.87 x 10^21.
What is the mass of the largest moon, Titania, if it is 54.3% of the total mass?
10 points for right answers
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0.280 g times 0.607 = 0.170 g (to three sig figs)
3.87 x 10^21 g times 0.543 = 2.10 x 10^21 g (to three sig figs)
3.87 x 10^21 g times 0.543 = 2.10 x 10^21 g (to three sig figs)