If you have 50 grams of Molybdenum-99, how many grams will remain after 11 days
If you have 50 grams of Molybdenum-99, how many grams will remain after 11 days
Part A how many grams will remain after Phosphorus 32 has a half-life of 14.0 days. Starting with 8.00 g of 840 days? Express your answer numerically in grams. View Available Hints) VALO Submit
Phosphorus-32 has a half-life of 14.3 days. How many grams remain from a 10 gram sample after 13 days? Click here for a copy of Final Exam cover sheet.
How many grams of KCl remain in solution at 20 ∘C ? How many grams of solid KCl came out of solution after cooling? A solution containing 84.9 g KCl in 210 g H2O at 50 ∘C is cooled to 20 ∘C . Use the solubility data from the table below. Solubility (g/100gH2O) Substance 20∘C 50∘C KCl 34.0 42.6 NaNO3 88.0 114.0 C12H22O11 (sugar) 203.9 260.4
The first order decay of radon has a half life of 3.823 days. How many grams of radon remain after 7.22 days if the sample initially weighs 250.0 grams. Please explain how you get the final answer.
that's all they give
isin excess and how many grams of this reactant wil remain after the reaction is complete? O Caco O Ha
Phosphorus-32 has a half-life of 14.0 days. Starting with 8.00 g of 32P, how many grams will remain after 70.0 days ? Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the 14C has decayed to 1/32.0 of the original amount. How long ago was this plant alive?
At the beginning of an experiment, a scientist has 108 grams of radioactive goo. After 240 minutes, her sample has decayed to 3.375 grams. What is the half-life of the goo in minutes? Preview How many grams of goo will remain after 99 minutes? Preview How many grams of goo will remain after 218 minutes? Preview Round your answers to the nearest tenth as needed. Get help: Video Drintendent
If the initial amount of strontium-90 ordered was 4.0 grams, how much will remain after 5 half-lives have occurred? (5 pts.) - (answer needs to have 2 sig figs.)
stion 21 85.0mg of iodine-131 is given to a patient. How many mg will remain after 40 days? The half life of 1-131 is 8 days. None of these answers are correct 0.332mg 2.5mg 0.0313mg 2.66mg
How many grams of NaOH do you need to make a IM solution? How many grams of NaOH do you need to make a 3M solution? How many grams of C,H, Nao, do you need to make a IM sodium acetate buffer? How many grams are needed to make 50 mL of 25% HCI? How much water is needed if you are making 800 mL of 20% sodium hypochlorite (bleach) for cleaning a vessel?