(05.06 MC) During an experiment, the percent yield of calcium chloride from a reaction was 85.22%. Theoretically, the

expected amount should have

grams What was the actual yield from this reaction? (5 points)

CaCO3 + HCI - CaCl2 + CO2 + H20

been 113

96.3 grams

О 99.0 grams

113 grams

0 121 grams

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.

How many grams of mgbr2 are needed to produce 75g or metal?