Answer: 0.405g
Explanation:
Molar Mass of Be = 9g/mol
Number of mole of Be = 0.045mol
Mass conc. Of Be = 0.045 x 9 = 0.405g
You just need to multiply the total mass by the decimal value of the part that is tin. 133.8*0.103=13.8g (following the rules of significant figures).
Nothing in particular determines the name of an element, it could range from who discovered it to where it was discovered!
Answer:
diffrent types of maks and modles
Explanation: