Answer:39.8375
Explanation:
The mole for the equation is 1:1
Then the molar mass of KCl is 74.5g
Molar mass of k is 39
74.5g of KCl gives 39g of k
76.10g of KCl gives xg of k
X= 76.10×39/74.5
X= 2967.9/7
X= 39.8375
Answer:
im pretty sure you need 15 in all but dont get mad it thats wrong, so you would i think need 3 neutrons
Explanation:
Answer:
Exosphere
Explanation:
it is found at the end reaching outer space
A student determines that 23.1 J of heat are required to raise the temperature of 6.67 g of an
Rubidium would exhibit the greatest shielding [ effect. ]