Answer:
-1
Step-by-step explanation:
Answer:
Step-by-step explanation:
it would be 60 feet squared
Answer:
i would say c
Step-by-step explanation:
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:
i believe 90 is the answer because if 7+3 is 10, then 9x10 is 90.