Unit 1: Stoichiometry 6
Question 1 (3 points)
For the sentence below answer the following questions:
9
Q1) Change the sentence into a chemical equation
Q2) What are the reactants and products?
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"1 mole of aqueous Pb(NO3)2 reacts with 2 moles of aqueous Kl to produce 1 mole
of solid Pbl2 and 2 moles of aqueous KNO3."
Format
15
B
1
.
18

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397