For the reaction 2Na + Cl2 2NaCl, calculate the percent yield if 200g of chlorine react with excess sodium to produce 240g of sodium chloride? A.61.2%
B.88.4%
C.83.4%
D.72.8%
The answer is D but I need the explanation

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.