Moles = concentration x volume so
Moles = 7 x 15 = 105
Then mass is moles/ Mr so
105/ the Mr of HCL which is 36.5 meaning the mass is 2.88g rounded to two decimal places
Answer:
A, C, E
Explanation:
W=F=mg or W=mg
1) THE AGE OF THE SAMPLE 2) URANIUM- LEAD DATING
