Please help asap and when ur doing the answers (for example) put 1 is A .. (if u send me a link to the answers Im reporting you just write it down please) and reason I will report . Anyways here are the photos. FYI U WILL GET 20 POINTS!!

Which statement is best described as a atom

Calculate: select the worksheet tab. this tab you calculate the analyte concentration.  fill in the first set of boxes ("moles h2so4" and "moles naoh") based on the coefficients in the balanced equation. (if there is no coefficient, the value is 1.)  record the appropriate volumes in the "ml naoh" and "ml h2so4" boxes.  record the concentration of the titrant in the m naoh box. click calculate. what is the concentration listed

What is the mass of 0.46 mil of mgcl2