Given this balanced equation: 1 K2CrO4 + 1 Pb(NO3)2 -> 1 PbCrO4 + 2 KNO3

If you want to make 28.49 moles of KNO3 , how many mole of Pb(NO3)2 do you need?

150.0 grams of asf3 were reacted with 180.0 g of ccl4 to produce ascl3 and ccl2f2. if the actual yield of ccl2f2 was 127 g, what is the percent yield?

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.