A student performing this experiment weights out 0.6500 grams of an antacid tablet. It is was determined that this tablet contained 0.4655 grams of C a CO3. What is the percent C a CO3 of this tablet? Type your answers without units.

The percent of C is equal to 71.62%, the percent of O3 is equal to 28.38%

Explanation:

To find the percentage of C, you just have to divide the amount in grams of C, on the weight of the tablet and multiply it by 100, so that the answer is in percentage, as follows:

%C = (0.4655 g C/0.65 g antacid tablet) x 100 = 71.62%

%O3 = 100 - 71.62 = 28.38%

calculate how many grams of ammonia can be produced from 4.21 grams of

n2 + 3h2 = 2nh3

my answer:

25.0g n2 x (1 mol/ 28.0gn2) x (2 mol nh3/ 1 mol n2) x (17.0g nh3/ 1 molnh3) = 30.36g n2

25.0g h2 x (1 mol h2/ 2.00g h2) x (2 mol nh3/ 3 mol h2) x (17.0g nh3/ 1 mol nh3) = 141.67g h2

lr = n2

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explanation:

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