Apharmacist incorporates 6g of coal tar into 120g of a5% coal tar ointment calculate the percetage (w/w) of coal tar in finshed product
Oh, coal tar! Bringing a touch of darkness to your ointments. Alright, let's do some calculations!
To find the percentage of coal tar in the finished product, we need to compare the amount of coal tar to the total weight of the product.
The initial weight of coal tar added is 6g, and the weight of the ointment is 120g. So, the total weight after incorporating the coal tar is (120g + 6g) = 126g.
To find the percentage (w/w) of coal tar in the finished product, we divide the weight of coal tar by the total weight and multiply by 100:
(6g / 126g) × 100 = 4.76%
Therefore, the percentage (w/w) of coal tar in the finished product is approximately 4.76%. Handle with care, my friend!
To calculate the percentage (w/w) of coal tar in the finished product, we need to determine the total weight of the finished product and the weight of coal tar in it.
Given information:
- Initial weight of coal tar used (added): 6g
- Weight of the 5% coal tar ointment: 120g
Step 1: Calculate the weight of coal tar in the finished product.
Since the coal tar was added to the ointment, the weight of coal tar in the finished product will be the sum of the initial weight of coal tar and the weight of the ointment.
Weight of coal tar in the finished product = Initial weight of coal tar + Weight of the 5% ointment
Weight of coal tar in the finished product = 6g + 120g
Weight of coal tar in the finished product = 126g
Step 2: Calculate the percentage (w/w) of coal tar in the finished product.
Percentage (w/w) = (Weight of coal tar / Weight of the finished product) x 100
Percentage (w/w) of coal tar in the finished product = (126g / 126g) x 100
Percentage (w/w) of coal tar in the finished product = 100%
Therefore, the percentage (w/w) of coal tar in the finished product is 100%.
To calculate the percentage (w/w) of coal tar in the finished product, you need to consider the amount of coal tar added to the total weight of the finished product.
Step 1: Calculate the total weight of the finished product
To determine the total weight of the finished product, you need to add the amount of coal tar incorporated to the initial weight of the 5% coal tar ointment.
Total weight = Initial weight + Amount of coal tar incorporated
Total weight = 120g + 6g
Total weight = 126g
Step 2: Calculate the percentage (w/w) of coal tar
To find the percentage (w/w) of coal tar, divide the weight of the coal tar by the total weight of the finished product and multiply by 100.
Percentage (w/w) = (Weight of coal tar / Total weight of finished product) x 100
Percentage (w/w) = (6g / 126g) x 100
Percentage (w/w) = 4.76%
Therefore, the percentage (w/w) of coal tar in the finished product is 4.76%.
look at the amount of tar:
1.0*6 + .05*120 = x(126)
x = 0.095, or 9.5%
Or, consider that 5% of 120g = 6g
So, now you have 12/126 = .095