Answer:
i think its false because
Explanation:
compounds are made of two or more atoms of <u>different</u> elements
Answer:
Yes Calcium is more reactive than Lead.
Explanation:
There are 0.5 moles of NaCl present in a 29.22g sample.
to find moles of a compound you would look at the periodic table to find the mass. in this case, the mass of NaCl is 58.44 g/mol. now, you divide the sample mass of 29.22g by 58.44 g/mol. the grams will cancel each other out and you’re left with 0.5 mol in that sample
hope this helps!
Answer:
while cooking or washing something lol
