The sulphuric acid is to be added as 93.20% H2SO4, and the nitric acid as 52.30% HNO3; water, if any be required, is to be added as such. How many pounds of these substances must be taken, in addition to the acid already in the tank and the 7000 lbs. of the acid which it is desired to work off? 17,531 lbs. 93.2 % H2SO4 4,260 lbs. 52.3% HNO3 Ans. 1,429 lbs. water 654. Calculate how much 93.20% H2SO4, the acid to be worked off, and water must be added in Problem 653 that a maximum amount of the acid to be worked off may be used, adding no 52.30 % HNO3. Ans. 14,957 lbs. acid to be worked off 12,067 lbs. 93.2% H2SO4 3,196 lbs. water 655. How many pounds of 98.00 % sulphuric acid, and 96.00 % and 61.4% nitric acid must be taken to make 60,000 lbs. of a mixed acid of the composition: 656. It is required to make a mixed acid of the composition: from 96.00% and 61.4% nitric acid and 98.00% sulphuric acid. How many pounds of each must be taken to prepare 60,000 lbs.? Ans. 28,163 lbs. 98.0 % H2SO4 28,474 lbs. 96.0% HNO3 3,363 lbs. 61.4% HNO3 657. How many pounds of 95.00% nitric acid and 30.00% oleum must be added for each 1000 lbs. of a mixed acid of the composition: H2SO4. H2O.... to convert into a mixed acid of the composition: Per cent 43.00 51.00 6.00 658. It is required to make 61,320 lbs. of a mixed acid of the composition: HNO3. H2O... Per cent 56.00 41.00 3.00 there remaining in the tank, from a former mix, 2604 lbs. of an acid of the composition: How many pounds of a 20.00% oleum, 98.56% sulphuric acid and 94.50 % nitric acid must be added to the acid already in the tank? 3.0 .I .2 .3 .4 3.5 .6 .7 .9 4.0 .I .2 .3 .4 4.5 .6 .4771 4786 .4800 .4814 .4829 4914 4928 4942 4955 4969 5051 5065 5079 5092 5105 5185 5198 5211 5224 5237 5315 5328 5340 5353 5366 -5441 5453.5465 .5478 .5490 5563 5575 5587 5599 5611 5682 5694 5705 5717 5729 5798 5809 5821 5832 5843 5911 5922 5933 5944 5955 .6021 .6031 .6042 .6053 .6064 6128 6138 6149 6160 6170 6232 6243 6253 6263 6274 6335 6345 6355 6365 6375 6435 6444 6454 6464 6474 .6532 .6542 .6551 .6561 .6571 6628 6637 6646 6656 6665 .7 6721 6730 6739 6749 6758 .8 6812 6821 6830 6839 6848 6902 6911 6920 6928 6937 .4843 .4857 .4871 .4886 .4900 4983 4997 5011 5024 5038 5119 5132 5145 5159 5172 5250 5263 5276 5289 5302 5378 5391 5403 5416 5428 5502 5515 -5527 5539 .5551 5023 5635 55.47 5658 5670 5740 5752 5763 5775 5786 5855 5866 5877 5888 5899 5966 5977 5988 5999 6010 .6075 .6085 .6096 .6107 .6117 6180 6191 6201 6212 6222 6284 6294 6304 6314 6325 6385 6395 6405 6415 6425 6484 6493 6503 6513 6522 .6580 .6590 .6599 .6609 .6618 6675 6684 6693 6702 6712 6767 6776 6785 6794 6803 6857 6866 6875 6884 6893 6946 6955 6964 6972 6981 13 12 11 10 15 14 13 11 18.16 14 13 20 18 16 14 .3118 .3139 .3160 .3181 3324 3345 3365 3385 3522 354 3560 3579 3711 3729 3747 3766 3784 3892 3909 3927 3945 3962 .4065 .4082 .4099 .4116 .4133 4232 4249 4265 4281 4298 4393 4409 4425 4440 4456 4548 4564 4579 4594 4609 4698 4713 4728 4742 4757 .3201 3404 3598 81223 6.0 .I .2 .3 .4 6.5 .6 .7 .8 .7782 7789 .7796 .7803 .7810 7853 7860 7868 7875 7882 7924 7931 7938 7945 7952 7993 8000 S007 8014 8021 8062 8069 S075 8082 S089 .8129 .8136 .8142 .8149 .8156 8195 8202 8209 8215 8222 8261 8267 8274 8280 8287 8325 8331 8338 8344 8351 .9 8388 8395 8401 8407 8414 7.0 .8451 8457 .8463 .8470 .8476 .I 8513 8519 8525 8531 8537 8573 8579 8585 8591 8597 .3 8633 8639 8645 8651 8657 .4 8692 8698 8704 8710 8716 .8751 .8756 .8762 .8768 .8774 8808 8814 8820 8825 8831 8865 8871 8876 8882 8887 8921 8927 8932 8938 8943 .9 8976 8982 8987 8993 8998 7.5 .6 .7 .8 7033 7042 .7050 .7059 .7067 7118 7126 7135 7143 7152 7202 7210 7218 7226 7235 7284 7292 7300 7308 7316 7364 7372 7380 7388 7396 •7443 7451 7459 .7466 .7474 7520 7528 7536 7543 7551 7597 7604 7612 7619 7627 7672 7679 7686 7694 7701 7745 7752 7760 7767 7774 INTERPOLATION TABLES. 9 8 7 I .I 2 2 3 2 433 5 4 4 5 5 4 .7818 .7825 .7832 .7839 .7846 7889 7896 7903 7910 7917 I 7959 7966 7973 7980 7987 8028 8035 8041 S048 8055 8096 8102 8109 8116 S122 .8162 .8169 .8176 .8182 .8189 8228 8235 8241 8248 S254 8293 8299 8306 8312 8319 8357 8363 8370 8376 8382 8420 8426 8432 8439 8445 8482 .8488 .8494 8500 .8506 8543 8549 8555 8561 8567 8603 8609 8615 8621 8627 8663 8669 8675 8681 8686 8722 8727 8733 8739 8745 8779 .8785 .8791 .8797 .8802 8837 8842 8848 8854 8859 8893 8899 8904 8910 8915 8949 8954 8960 8965 8971 9004 9009 9015 9020 9025 .9058 .9063 .9069 .9074 .9079 9112 9117 9122 9128 9133 9165 9170 9175 9180 9186 9217 9222 9227 9232 9238 9269 9274 9279 9284 9289 9320 9325 .9330 .9335 .9340 9370 9375 9380 9385 9390 9420 9425 9430 9435 9440 9469 9474 9479 9484 9489 9518 9523 9528 9533 9538 .9566 .9571 .9576 .9581 .9586 9614 9619 9624 9628 9633 9661 9666 9671 9675 9680 9708 9713 9717 9722 9727 9754 9759 9763 9768 9773 .9800 .9805 .9809 .9814 .9818 9845 9850 9854 9859 9863 9890 9894 9899 9903 9908 9934 9939 9943 9948 9952 9978 9983 9987 9991 9996 |