Answer:
8 headbands can be made.
Step-by-step explanation:
dividing both sides by 16.5, the material needed for one, leaves the equation as h=8, because 132 divided by 16.5 equals 8
THe answer is -18.5. Hope its right
2
Is the answer so there you go
Answer:
3
Step-by-step explanation:
Explanation:
Although you have not been provided with direct masses, you can use the percentage composition values in place of masses.
First, calculate the number of moles of each element:
This is the formula for the ionic compound calcium carbonate, confirming that our result is indeed in the magnitude of a plausible answer. In fact, given the fact that calcium carbonate is ionic, it is also true that this empirical formula equates to the unit formula of the compound.
Answer: it should be the last one !!!
Step-by-step explanation:
