Answer the following questions about a 1.745 g sample of CaSO4+2H20. What percent of the hydrate is water?

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?