the grocery store sells ground beef that is labeled 20% fat. How many grams of fat would be labeled in 1.3 pounds of ground beef
1 answer:
Answer:
Grams of fat would be labeled in 1.3 pounds of ground beef are :
<u>= 117.94 grams</u>
Explanation:
STEP 1: Convert pound into grams:
1 pound = 453.6 grams (learn this)
STEP 2 : Calculate the number of grams in 1.3 pound.
Multiply the number by 1.3
1.3 pound = 1.3 x 453.6 grams
1.3 pound = 589.68 grams
STEP 3: Calculate the mass in 20 % percentage of sample.
Here x = 589.68 grams
= 117.94 grams
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Answer:
2.35 M
Explanation:
Molarity is mol/L of solution. We have to convert the g to mol and the mL to L. G to mol uses the molar mass of the compound. The molar mass of NaNO₃ is 85.00g/mol.
Then you have to convert mL to L.
Now divide the mol by the L.
Round to the smallest number of significant figures = 2.35M