Ca(s)+2Hcl(aq) ------>CaCl2(s)+H2(g)
        
             
        
        
        
Answer:
.694 moles
Explanation: do given over one so 12.5 over 1 then multiply that by 1 over 18.01528( atomic mass of water) and then you get ans answear that you sig fig but i did that for you 
 
        
             
        
        
        
They burn up and cause it to look like shooting stars
 
        
             
        
        
        
"Glycerin" is the one substance among the following choices given in the question that will <span>float in corn syrup. The correct option among all the options that are given in the question is the second option or option "B". I hope that this is the answer that has actually come to your desired help.</span>
        
                    
             
        
        
        
The statement that does not describe elements would be that they can be separated by a chemical reaction. This is not the case, an element is a pure substance that can't be degraded into any other constituent that would form it. They are building blocks composed by atoms.