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A basket of 40 pairs of pliers at a discount hardware store includes 5 pairs of 6-inch pliers. A second basket contains 20 hammers, including 3 large hammers. What is the probability of drawing a 6-inch
answered
Mar 19, 2017
Mathematics
middle-school
1
vote
143k
views
Given the balanced equation: CaCO3(s) + 2HCl(aq) -->CaCl2(aq) + H2O(l) + CO2(g) What is the total number of moles of CO2 formed when 20. moles of HCl is completely consumed? (1) 5.0 mol (3) 20. mol (2)
answered
Jun 27, 2016
Chemistry
high-school
3
votes
234k
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