He thought elements that haven't been discovered belonged in the place of the gap. He could also use the atomic mass of the missing elements
Answer:
606 atoms
Explanation:
Add the numbers 145 + 293 + 168
Answer:
2.0202 grams
Explanation:
1.4% (m/v) glucose solution means: 1.4g glucose/100mL solution.
so ?g glucose = 144.3 mL soln
Now apply the conversion factor, and you have:
?g glucose = 144.3mL soln x (1.4g glucose/100mL soln).
so you have (144.3x1.4/100) g glucose= 2.0202 grams
The symbol of magnesium is mg and iron is Ir
